1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2011 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/pci.h>
24 #include <linux/interrupt.h>
25 #include <linux/delay.h>
26 #include <linux/slab.h>
28 #include <scsi/scsi.h>
29 #include <scsi/scsi_cmnd.h>
30 #include <scsi/scsi_device.h>
31 #include <scsi/scsi_host.h>
32 #include <scsi/scsi_transport_fc.h>
33 #include <scsi/fc/fc_fs.h>
34 #include <linux/aer.h>
39 #include "lpfc_sli4.h"
41 #include "lpfc_disc.h"
42 #include "lpfc_scsi.h"
44 #include "lpfc_crtn.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_compat.h"
47 #include "lpfc_debugfs.h"
48 #include "lpfc_vport.h"
50 /* There are only four IOCB completion types. */
51 typedef enum _lpfc_iocb_type
{
59 /* Provide function prototypes local to this module. */
60 static int lpfc_sli_issue_mbox_s4(struct lpfc_hba
*, LPFC_MBOXQ_t
*,
62 static int lpfc_sli4_read_rev(struct lpfc_hba
*, LPFC_MBOXQ_t
*,
63 uint8_t *, uint32_t *);
64 static struct lpfc_iocbq
*lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba
*,
66 static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport
*,
68 static int lpfc_sli4_fp_handle_wcqe(struct lpfc_hba
*, struct lpfc_queue
*,
72 lpfc_get_iocb_from_iocbq(struct lpfc_iocbq
*iocbq
)
78 * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue
79 * @q: The Work Queue to operate on.
80 * @wqe: The work Queue Entry to put on the Work queue.
82 * This routine will copy the contents of @wqe to the next available entry on
83 * the @q. This function will then ring the Work Queue Doorbell to signal the
84 * HBA to start processing the Work Queue Entry. This function returns 0 if
85 * successful. If no entries are available on @q then this function will return
87 * The caller is expected to hold the hbalock when calling this routine.
90 lpfc_sli4_wq_put(struct lpfc_queue
*q
, union lpfc_wqe
*wqe
)
92 union lpfc_wqe
*temp_wqe
= q
->qe
[q
->host_index
].wqe
;
93 struct lpfc_register doorbell
;
96 /* If the host has not yet processed the next entry then we are done */
97 if (((q
->host_index
+ 1) % q
->entry_count
) == q
->hba_index
)
99 /* set consumption flag every once in a while */
100 if (!((q
->host_index
+ 1) % LPFC_RELEASE_NOTIFICATION_INTERVAL
))
101 bf_set(wqe_wqec
, &wqe
->generic
.wqe_com
, 1);
102 if (q
->phba
->sli3_options
& LPFC_SLI4_PHWQ_ENABLED
)
103 bf_set(wqe_wqid
, &wqe
->generic
.wqe_com
, q
->queue_id
);
104 lpfc_sli_pcimem_bcopy(wqe
, temp_wqe
, q
->entry_size
);
106 /* Update the host index before invoking device */
107 host_index
= q
->host_index
;
108 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
112 bf_set(lpfc_wq_doorbell_num_posted
, &doorbell
, 1);
113 bf_set(lpfc_wq_doorbell_index
, &doorbell
, host_index
);
114 bf_set(lpfc_wq_doorbell_id
, &doorbell
, q
->queue_id
);
115 writel(doorbell
.word0
, q
->phba
->sli4_hba
.WQDBregaddr
);
116 readl(q
->phba
->sli4_hba
.WQDBregaddr
); /* Flush */
122 * lpfc_sli4_wq_release - Updates internal hba index for WQ
123 * @q: The Work Queue to operate on.
124 * @index: The index to advance the hba index to.
126 * This routine will update the HBA index of a queue to reflect consumption of
127 * Work Queue Entries by the HBA. When the HBA indicates that it has consumed
128 * an entry the host calls this function to update the queue's internal
129 * pointers. This routine returns the number of entries that were consumed by
133 lpfc_sli4_wq_release(struct lpfc_queue
*q
, uint32_t index
)
135 uint32_t released
= 0;
137 if (q
->hba_index
== index
)
140 q
->hba_index
= ((q
->hba_index
+ 1) % q
->entry_count
);
142 } while (q
->hba_index
!= index
);
147 * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue
148 * @q: The Mailbox Queue to operate on.
149 * @wqe: The Mailbox Queue Entry to put on the Work queue.
151 * This routine will copy the contents of @mqe to the next available entry on
152 * the @q. This function will then ring the Work Queue Doorbell to signal the
153 * HBA to start processing the Work Queue Entry. This function returns 0 if
154 * successful. If no entries are available on @q then this function will return
156 * The caller is expected to hold the hbalock when calling this routine.
159 lpfc_sli4_mq_put(struct lpfc_queue
*q
, struct lpfc_mqe
*mqe
)
161 struct lpfc_mqe
*temp_mqe
= q
->qe
[q
->host_index
].mqe
;
162 struct lpfc_register doorbell
;
165 /* If the host has not yet processed the next entry then we are done */
166 if (((q
->host_index
+ 1) % q
->entry_count
) == q
->hba_index
)
168 lpfc_sli_pcimem_bcopy(mqe
, temp_mqe
, q
->entry_size
);
169 /* Save off the mailbox pointer for completion */
170 q
->phba
->mbox
= (MAILBOX_t
*)temp_mqe
;
172 /* Update the host index before invoking device */
173 host_index
= q
->host_index
;
174 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
178 bf_set(lpfc_mq_doorbell_num_posted
, &doorbell
, 1);
179 bf_set(lpfc_mq_doorbell_id
, &doorbell
, q
->queue_id
);
180 writel(doorbell
.word0
, q
->phba
->sli4_hba
.MQDBregaddr
);
181 readl(q
->phba
->sli4_hba
.MQDBregaddr
); /* Flush */
186 * lpfc_sli4_mq_release - Updates internal hba index for MQ
187 * @q: The Mailbox Queue to operate on.
189 * This routine will update the HBA index of a queue to reflect consumption of
190 * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed
191 * an entry the host calls this function to update the queue's internal
192 * pointers. This routine returns the number of entries that were consumed by
196 lpfc_sli4_mq_release(struct lpfc_queue
*q
)
198 /* Clear the mailbox pointer for completion */
199 q
->phba
->mbox
= NULL
;
200 q
->hba_index
= ((q
->hba_index
+ 1) % q
->entry_count
);
205 * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ
206 * @q: The Event Queue to get the first valid EQE from
208 * This routine will get the first valid Event Queue Entry from @q, update
209 * the queue's internal hba index, and return the EQE. If no valid EQEs are in
210 * the Queue (no more work to do), or the Queue is full of EQEs that have been
211 * processed, but not popped back to the HBA then this routine will return NULL.
213 static struct lpfc_eqe
*
214 lpfc_sli4_eq_get(struct lpfc_queue
*q
)
216 struct lpfc_eqe
*eqe
= q
->qe
[q
->hba_index
].eqe
;
218 /* If the next EQE is not valid then we are done */
219 if (!bf_get_le32(lpfc_eqe_valid
, eqe
))
221 /* If the host has not yet processed the next entry then we are done */
222 if (((q
->hba_index
+ 1) % q
->entry_count
) == q
->host_index
)
225 q
->hba_index
= ((q
->hba_index
+ 1) % q
->entry_count
);
230 * lpfc_sli4_eq_release - Indicates the host has finished processing an EQ
231 * @q: The Event Queue that the host has completed processing for.
232 * @arm: Indicates whether the host wants to arms this CQ.
234 * This routine will mark all Event Queue Entries on @q, from the last
235 * known completed entry to the last entry that was processed, as completed
236 * by clearing the valid bit for each completion queue entry. Then it will
237 * notify the HBA, by ringing the doorbell, that the EQEs have been processed.
238 * The internal host index in the @q will be updated by this routine to indicate
239 * that the host has finished processing the entries. The @arm parameter
240 * indicates that the queue should be rearmed when ringing the doorbell.
242 * This function will return the number of EQEs that were popped.
245 lpfc_sli4_eq_release(struct lpfc_queue
*q
, bool arm
)
247 uint32_t released
= 0;
248 struct lpfc_eqe
*temp_eqe
;
249 struct lpfc_register doorbell
;
251 /* while there are valid entries */
252 while (q
->hba_index
!= q
->host_index
) {
253 temp_eqe
= q
->qe
[q
->host_index
].eqe
;
254 bf_set_le32(lpfc_eqe_valid
, temp_eqe
, 0);
256 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
258 if (unlikely(released
== 0 && !arm
))
261 /* ring doorbell for number popped */
264 bf_set(lpfc_eqcq_doorbell_arm
, &doorbell
, 1);
265 bf_set(lpfc_eqcq_doorbell_eqci
, &doorbell
, 1);
267 bf_set(lpfc_eqcq_doorbell_num_released
, &doorbell
, released
);
268 bf_set(lpfc_eqcq_doorbell_qt
, &doorbell
, LPFC_QUEUE_TYPE_EVENT
);
269 bf_set(lpfc_eqcq_doorbell_eqid
, &doorbell
, q
->queue_id
);
270 writel(doorbell
.word0
, q
->phba
->sli4_hba
.EQCQDBregaddr
);
271 /* PCI read to flush PCI pipeline on re-arming for INTx mode */
272 if ((q
->phba
->intr_type
== INTx
) && (arm
== LPFC_QUEUE_REARM
))
273 readl(q
->phba
->sli4_hba
.EQCQDBregaddr
);
278 * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ
279 * @q: The Completion Queue to get the first valid CQE from
281 * This routine will get the first valid Completion Queue Entry from @q, update
282 * the queue's internal hba index, and return the CQE. If no valid CQEs are in
283 * the Queue (no more work to do), or the Queue is full of CQEs that have been
284 * processed, but not popped back to the HBA then this routine will return NULL.
286 static struct lpfc_cqe
*
287 lpfc_sli4_cq_get(struct lpfc_queue
*q
)
289 struct lpfc_cqe
*cqe
;
291 /* If the next CQE is not valid then we are done */
292 if (!bf_get_le32(lpfc_cqe_valid
, q
->qe
[q
->hba_index
].cqe
))
294 /* If the host has not yet processed the next entry then we are done */
295 if (((q
->hba_index
+ 1) % q
->entry_count
) == q
->host_index
)
298 cqe
= q
->qe
[q
->hba_index
].cqe
;
299 q
->hba_index
= ((q
->hba_index
+ 1) % q
->entry_count
);
304 * lpfc_sli4_cq_release - Indicates the host has finished processing a CQ
305 * @q: The Completion Queue that the host has completed processing for.
306 * @arm: Indicates whether the host wants to arms this CQ.
308 * This routine will mark all Completion queue entries on @q, from the last
309 * known completed entry to the last entry that was processed, as completed
310 * by clearing the valid bit for each completion queue entry. Then it will
311 * notify the HBA, by ringing the doorbell, that the CQEs have been processed.
312 * The internal host index in the @q will be updated by this routine to indicate
313 * that the host has finished processing the entries. The @arm parameter
314 * indicates that the queue should be rearmed when ringing the doorbell.
316 * This function will return the number of CQEs that were released.
319 lpfc_sli4_cq_release(struct lpfc_queue
*q
, bool arm
)
321 uint32_t released
= 0;
322 struct lpfc_cqe
*temp_qe
;
323 struct lpfc_register doorbell
;
325 /* while there are valid entries */
326 while (q
->hba_index
!= q
->host_index
) {
327 temp_qe
= q
->qe
[q
->host_index
].cqe
;
328 bf_set_le32(lpfc_cqe_valid
, temp_qe
, 0);
330 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
332 if (unlikely(released
== 0 && !arm
))
335 /* ring doorbell for number popped */
338 bf_set(lpfc_eqcq_doorbell_arm
, &doorbell
, 1);
339 bf_set(lpfc_eqcq_doorbell_num_released
, &doorbell
, released
);
340 bf_set(lpfc_eqcq_doorbell_qt
, &doorbell
, LPFC_QUEUE_TYPE_COMPLETION
);
341 bf_set(lpfc_eqcq_doorbell_cqid
, &doorbell
, q
->queue_id
);
342 writel(doorbell
.word0
, q
->phba
->sli4_hba
.EQCQDBregaddr
);
347 * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue
348 * @q: The Header Receive Queue to operate on.
349 * @wqe: The Receive Queue Entry to put on the Receive queue.
351 * This routine will copy the contents of @wqe to the next available entry on
352 * the @q. This function will then ring the Receive Queue Doorbell to signal the
353 * HBA to start processing the Receive Queue Entry. This function returns the
354 * index that the rqe was copied to if successful. If no entries are available
355 * on @q then this function will return -ENOMEM.
356 * The caller is expected to hold the hbalock when calling this routine.
359 lpfc_sli4_rq_put(struct lpfc_queue
*hq
, struct lpfc_queue
*dq
,
360 struct lpfc_rqe
*hrqe
, struct lpfc_rqe
*drqe
)
362 struct lpfc_rqe
*temp_hrqe
= hq
->qe
[hq
->host_index
].rqe
;
363 struct lpfc_rqe
*temp_drqe
= dq
->qe
[dq
->host_index
].rqe
;
364 struct lpfc_register doorbell
;
365 int put_index
= hq
->host_index
;
367 if (hq
->type
!= LPFC_HRQ
|| dq
->type
!= LPFC_DRQ
)
369 if (hq
->host_index
!= dq
->host_index
)
371 /* If the host has not yet processed the next entry then we are done */
372 if (((hq
->host_index
+ 1) % hq
->entry_count
) == hq
->hba_index
)
374 lpfc_sli_pcimem_bcopy(hrqe
, temp_hrqe
, hq
->entry_size
);
375 lpfc_sli_pcimem_bcopy(drqe
, temp_drqe
, dq
->entry_size
);
377 /* Update the host index to point to the next slot */
378 hq
->host_index
= ((hq
->host_index
+ 1) % hq
->entry_count
);
379 dq
->host_index
= ((dq
->host_index
+ 1) % dq
->entry_count
);
381 /* Ring The Header Receive Queue Doorbell */
382 if (!(hq
->host_index
% LPFC_RQ_POST_BATCH
)) {
384 bf_set(lpfc_rq_doorbell_num_posted
, &doorbell
,
386 bf_set(lpfc_rq_doorbell_id
, &doorbell
, hq
->queue_id
);
387 writel(doorbell
.word0
, hq
->phba
->sli4_hba
.RQDBregaddr
);
393 * lpfc_sli4_rq_release - Updates internal hba index for RQ
394 * @q: The Header Receive Queue to operate on.
396 * This routine will update the HBA index of a queue to reflect consumption of
397 * one Receive Queue Entry by the HBA. When the HBA indicates that it has
398 * consumed an entry the host calls this function to update the queue's
399 * internal pointers. This routine returns the number of entries that were
400 * consumed by the HBA.
403 lpfc_sli4_rq_release(struct lpfc_queue
*hq
, struct lpfc_queue
*dq
)
405 if ((hq
->type
!= LPFC_HRQ
) || (dq
->type
!= LPFC_DRQ
))
407 hq
->hba_index
= ((hq
->hba_index
+ 1) % hq
->entry_count
);
408 dq
->hba_index
= ((dq
->hba_index
+ 1) % dq
->entry_count
);
413 * lpfc_cmd_iocb - Get next command iocb entry in the ring
414 * @phba: Pointer to HBA context object.
415 * @pring: Pointer to driver SLI ring object.
417 * This function returns pointer to next command iocb entry
418 * in the command ring. The caller must hold hbalock to prevent
419 * other threads consume the next command iocb.
420 * SLI-2/SLI-3 provide different sized iocbs.
422 static inline IOCB_t
*
423 lpfc_cmd_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
425 return (IOCB_t
*) (((char *) pring
->cmdringaddr
) +
426 pring
->cmdidx
* phba
->iocb_cmd_size
);
430 * lpfc_resp_iocb - Get next response iocb entry in the ring
431 * @phba: Pointer to HBA context object.
432 * @pring: Pointer to driver SLI ring object.
434 * This function returns pointer to next response iocb entry
435 * in the response ring. The caller must hold hbalock to make sure
436 * that no other thread consume the next response iocb.
437 * SLI-2/SLI-3 provide different sized iocbs.
439 static inline IOCB_t
*
440 lpfc_resp_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
442 return (IOCB_t
*) (((char *) pring
->rspringaddr
) +
443 pring
->rspidx
* phba
->iocb_rsp_size
);
447 * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
448 * @phba: Pointer to HBA context object.
450 * This function is called with hbalock held. This function
451 * allocates a new driver iocb object from the iocb pool. If the
452 * allocation is successful, it returns pointer to the newly
453 * allocated iocb object else it returns NULL.
455 static struct lpfc_iocbq
*
456 __lpfc_sli_get_iocbq(struct lpfc_hba
*phba
)
458 struct list_head
*lpfc_iocb_list
= &phba
->lpfc_iocb_list
;
459 struct lpfc_iocbq
* iocbq
= NULL
;
461 list_remove_head(lpfc_iocb_list
, iocbq
, struct lpfc_iocbq
, list
);
464 if (phba
->iocb_cnt
> phba
->iocb_max
)
465 phba
->iocb_max
= phba
->iocb_cnt
;
470 * __lpfc_clear_active_sglq - Remove the active sglq for this XRI.
471 * @phba: Pointer to HBA context object.
472 * @xritag: XRI value.
474 * This function clears the sglq pointer from the array of acive
475 * sglq's. The xritag that is passed in is used to index into the
476 * array. Before the xritag can be used it needs to be adjusted
477 * by subtracting the xribase.
479 * Returns sglq ponter = success, NULL = Failure.
481 static struct lpfc_sglq
*
482 __lpfc_clear_active_sglq(struct lpfc_hba
*phba
, uint16_t xritag
)
484 struct lpfc_sglq
*sglq
;
486 sglq
= phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
];
487 phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
] = NULL
;
492 * __lpfc_get_active_sglq - Get the active sglq for this XRI.
493 * @phba: Pointer to HBA context object.
494 * @xritag: XRI value.
496 * This function returns the sglq pointer from the array of acive
497 * sglq's. The xritag that is passed in is used to index into the
498 * array. Before the xritag can be used it needs to be adjusted
499 * by subtracting the xribase.
501 * Returns sglq ponter = success, NULL = Failure.
504 __lpfc_get_active_sglq(struct lpfc_hba
*phba
, uint16_t xritag
)
506 struct lpfc_sglq
*sglq
;
508 sglq
= phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
];
513 * __lpfc_set_rrq_active - set RRQ active bit in the ndlp's xri_bitmap.
514 * @phba: Pointer to HBA context object.
515 * @ndlp: nodelist pointer for this target.
516 * @xritag: xri used in this exchange.
517 * @rxid: Remote Exchange ID.
518 * @send_rrq: Flag used to determine if we should send rrq els cmd.
520 * This function is called with hbalock held.
521 * The active bit is set in the ndlp's active rrq xri_bitmap. Allocates an
522 * rrq struct and adds it to the active_rrq_list.
524 * returns 0 for rrq slot for this xri
525 * < 0 Were not able to get rrq mem or invalid parameter.
528 __lpfc_set_rrq_active(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
529 uint16_t xritag
, uint16_t rxid
, uint16_t send_rrq
)
531 struct lpfc_node_rrq
*rrq
;
539 if (!phba
->cfg_enable_rrq
)
542 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
543 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
549 * set the active bit even if there is no mem available.
551 if (NLP_CHK_FREE_REQ(ndlp
))
554 if (ndlp
->vport
&& (ndlp
->vport
->load_flag
& FC_UNLOADING
))
557 if (test_and_set_bit(xritag
, ndlp
->active_rrqs
.xri_bitmap
))
560 rrq
= mempool_alloc(phba
->rrq_pool
, GFP_KERNEL
);
562 rrq
->send_rrq
= send_rrq
;
563 rrq
->xritag
= xritag
;
564 rrq
->rrq_stop_time
= jiffies
+ HZ
* (phba
->fc_ratov
+ 1);
566 rrq
->nlp_DID
= ndlp
->nlp_DID
;
567 rrq
->vport
= ndlp
->vport
;
569 empty
= list_empty(&phba
->active_rrq_list
);
570 rrq
->send_rrq
= send_rrq
;
571 list_add_tail(&rrq
->list
, &phba
->active_rrq_list
);
572 if (!(phba
->hba_flag
& HBA_RRQ_ACTIVE
)) {
573 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
575 lpfc_worker_wake_up(phba
);
580 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
581 "2921 Can't set rrq active xri:0x%x rxid:0x%x"
582 " DID:0x%x Send:%d\n",
583 xritag
, rxid
, did
, send_rrq
);
588 * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap.
589 * @phba: Pointer to HBA context object.
590 * @xritag: xri used in this exchange.
591 * @rrq: The RRQ to be cleared.
595 lpfc_clr_rrq_active(struct lpfc_hba
*phba
,
597 struct lpfc_node_rrq
*rrq
)
599 struct lpfc_nodelist
*ndlp
= NULL
;
601 if ((rrq
->vport
) && NLP_CHK_NODE_ACT(rrq
->ndlp
))
602 ndlp
= lpfc_findnode_did(rrq
->vport
, rrq
->nlp_DID
);
604 /* The target DID could have been swapped (cable swap)
605 * we should use the ndlp from the findnode if it is
608 if ((!ndlp
) && rrq
->ndlp
)
614 if (test_and_clear_bit(xritag
, ndlp
->active_rrqs
.xri_bitmap
)) {
617 rrq
->rrq_stop_time
= 0;
620 mempool_free(rrq
, phba
->rrq_pool
);
624 * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV.
625 * @phba: Pointer to HBA context object.
627 * This function is called with hbalock held. This function
628 * Checks if stop_time (ratov from setting rrq active) has
629 * been reached, if it has and the send_rrq flag is set then
630 * it will call lpfc_send_rrq. If the send_rrq flag is not set
631 * then it will just call the routine to clear the rrq and
632 * free the rrq resource.
633 * The timer is set to the next rrq that is going to expire before
634 * leaving the routine.
638 lpfc_handle_rrq_active(struct lpfc_hba
*phba
)
640 struct lpfc_node_rrq
*rrq
;
641 struct lpfc_node_rrq
*nextrrq
;
642 unsigned long next_time
;
643 unsigned long iflags
;
646 spin_lock_irqsave(&phba
->hbalock
, iflags
);
647 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
648 next_time
= jiffies
+ HZ
* (phba
->fc_ratov
+ 1);
649 list_for_each_entry_safe(rrq
, nextrrq
,
650 &phba
->active_rrq_list
, list
) {
651 if (time_after(jiffies
, rrq
->rrq_stop_time
))
652 list_move(&rrq
->list
, &send_rrq
);
653 else if (time_before(rrq
->rrq_stop_time
, next_time
))
654 next_time
= rrq
->rrq_stop_time
;
656 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
657 if (!list_empty(&phba
->active_rrq_list
))
658 mod_timer(&phba
->rrq_tmr
, next_time
);
659 list_for_each_entry_safe(rrq
, nextrrq
, &send_rrq
, list
) {
660 list_del(&rrq
->list
);
662 /* this call will free the rrq */
663 lpfc_clr_rrq_active(phba
, rrq
->xritag
, rrq
);
664 else if (lpfc_send_rrq(phba
, rrq
)) {
665 /* if we send the rrq then the completion handler
666 * will clear the bit in the xribitmap.
668 lpfc_clr_rrq_active(phba
, rrq
->xritag
,
675 * lpfc_get_active_rrq - Get the active RRQ for this exchange.
676 * @vport: Pointer to vport context object.
677 * @xri: The xri used in the exchange.
678 * @did: The targets DID for this exchange.
680 * returns NULL = rrq not found in the phba->active_rrq_list.
681 * rrq = rrq for this xri and target.
683 struct lpfc_node_rrq
*
684 lpfc_get_active_rrq(struct lpfc_vport
*vport
, uint16_t xri
, uint32_t did
)
686 struct lpfc_hba
*phba
= vport
->phba
;
687 struct lpfc_node_rrq
*rrq
;
688 struct lpfc_node_rrq
*nextrrq
;
689 unsigned long iflags
;
691 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
693 spin_lock_irqsave(&phba
->hbalock
, iflags
);
694 list_for_each_entry_safe(rrq
, nextrrq
, &phba
->active_rrq_list
, list
) {
695 if (rrq
->vport
== vport
&& rrq
->xritag
== xri
&&
696 rrq
->nlp_DID
== did
){
697 list_del(&rrq
->list
);
698 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
702 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
707 * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport.
708 * @vport: Pointer to vport context object.
709 * @ndlp: Pointer to the lpfc_node_list structure.
710 * If ndlp is NULL Remove all active RRQs for this vport from the
711 * phba->active_rrq_list and clear the rrq.
712 * If ndlp is not NULL then only remove rrqs for this vport & this ndlp.
715 lpfc_cleanup_vports_rrqs(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
718 struct lpfc_hba
*phba
= vport
->phba
;
719 struct lpfc_node_rrq
*rrq
;
720 struct lpfc_node_rrq
*nextrrq
;
721 unsigned long iflags
;
724 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
727 lpfc_sli4_vport_delete_els_xri_aborted(vport
);
728 lpfc_sli4_vport_delete_fcp_xri_aborted(vport
);
730 spin_lock_irqsave(&phba
->hbalock
, iflags
);
731 list_for_each_entry_safe(rrq
, nextrrq
, &phba
->active_rrq_list
, list
)
732 if ((rrq
->vport
== vport
) && (!ndlp
|| rrq
->ndlp
== ndlp
))
733 list_move(&rrq
->list
, &rrq_list
);
734 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
736 list_for_each_entry_safe(rrq
, nextrrq
, &rrq_list
, list
) {
737 list_del(&rrq
->list
);
738 lpfc_clr_rrq_active(phba
, rrq
->xritag
, rrq
);
743 * lpfc_cleanup_wt_rrqs - Remove all rrq's from the active list.
744 * @phba: Pointer to HBA context object.
746 * Remove all rrqs from the phba->active_rrq_list and free them by
747 * calling __lpfc_clr_active_rrq
751 lpfc_cleanup_wt_rrqs(struct lpfc_hba
*phba
)
753 struct lpfc_node_rrq
*rrq
;
754 struct lpfc_node_rrq
*nextrrq
;
755 unsigned long next_time
;
756 unsigned long iflags
;
759 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
761 spin_lock_irqsave(&phba
->hbalock
, iflags
);
762 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
763 next_time
= jiffies
+ HZ
* (phba
->fc_ratov
* 2);
764 list_splice_init(&phba
->active_rrq_list
, &rrq_list
);
765 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
767 list_for_each_entry_safe(rrq
, nextrrq
, &rrq_list
, list
) {
768 list_del(&rrq
->list
);
769 lpfc_clr_rrq_active(phba
, rrq
->xritag
, rrq
);
771 if (!list_empty(&phba
->active_rrq_list
))
772 mod_timer(&phba
->rrq_tmr
, next_time
);
777 * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap.
778 * @phba: Pointer to HBA context object.
779 * @ndlp: Targets nodelist pointer for this exchange.
780 * @xritag the xri in the bitmap to test.
782 * This function is called with hbalock held. This function
783 * returns 0 = rrq not active for this xri
784 * 1 = rrq is valid for this xri.
787 lpfc_test_rrq_active(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
792 if (test_bit(xritag
, ndlp
->active_rrqs
.xri_bitmap
))
799 * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap.
800 * @phba: Pointer to HBA context object.
801 * @ndlp: nodelist pointer for this target.
802 * @xritag: xri used in this exchange.
803 * @rxid: Remote Exchange ID.
804 * @send_rrq: Flag used to determine if we should send rrq els cmd.
806 * This function takes the hbalock.
807 * The active bit is always set in the active rrq xri_bitmap even
808 * if there is no slot avaiable for the other rrq information.
810 * returns 0 rrq actived for this xri
811 * < 0 No memory or invalid ndlp.
814 lpfc_set_rrq_active(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
815 uint16_t xritag
, uint16_t rxid
, uint16_t send_rrq
)
818 unsigned long iflags
;
820 spin_lock_irqsave(&phba
->hbalock
, iflags
);
821 ret
= __lpfc_set_rrq_active(phba
, ndlp
, xritag
, rxid
, send_rrq
);
822 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
827 * __lpfc_sli_get_sglq - Allocates an iocb object from sgl pool
828 * @phba: Pointer to HBA context object.
829 * @piocb: Pointer to the iocbq.
831 * This function is called with hbalock held. This function
832 * gets a new driver sglq object from the sglq list. If the
833 * list is not empty then it is successful, it returns pointer to the newly
834 * allocated sglq object else it returns NULL.
836 static struct lpfc_sglq
*
837 __lpfc_sli_get_sglq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*piocbq
)
839 struct list_head
*lpfc_sgl_list
= &phba
->sli4_hba
.lpfc_sgl_list
;
840 struct lpfc_sglq
*sglq
= NULL
;
841 struct lpfc_sglq
*start_sglq
= NULL
;
842 struct lpfc_scsi_buf
*lpfc_cmd
;
843 struct lpfc_nodelist
*ndlp
;
846 if (piocbq
->iocb_flag
& LPFC_IO_FCP
) {
847 lpfc_cmd
= (struct lpfc_scsi_buf
*) piocbq
->context1
;
848 ndlp
= lpfc_cmd
->rdata
->pnode
;
849 } else if ((piocbq
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
) &&
850 !(piocbq
->iocb_flag
& LPFC_IO_LIBDFC
))
851 ndlp
= piocbq
->context_un
.ndlp
;
853 ndlp
= piocbq
->context1
;
855 list_remove_head(lpfc_sgl_list
, sglq
, struct lpfc_sglq
, list
);
860 if (lpfc_test_rrq_active(phba
, ndlp
, sglq
->sli4_xritag
)) {
861 /* This xri has an rrq outstanding for this DID.
862 * put it back in the list and get another xri.
864 list_add_tail(&sglq
->list
, lpfc_sgl_list
);
866 list_remove_head(lpfc_sgl_list
, sglq
,
867 struct lpfc_sglq
, list
);
868 if (sglq
== start_sglq
) {
876 phba
->sli4_hba
.lpfc_sglq_active_list
[sglq
->sli4_lxritag
] = sglq
;
877 sglq
->state
= SGL_ALLOCATED
;
883 * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
884 * @phba: Pointer to HBA context object.
886 * This function is called with no lock held. This function
887 * allocates a new driver iocb object from the iocb pool. If the
888 * allocation is successful, it returns pointer to the newly
889 * allocated iocb object else it returns NULL.
892 lpfc_sli_get_iocbq(struct lpfc_hba
*phba
)
894 struct lpfc_iocbq
* iocbq
= NULL
;
895 unsigned long iflags
;
897 spin_lock_irqsave(&phba
->hbalock
, iflags
);
898 iocbq
= __lpfc_sli_get_iocbq(phba
);
899 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
904 * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool
905 * @phba: Pointer to HBA context object.
906 * @iocbq: Pointer to driver iocb object.
908 * This function is called with hbalock held to release driver
909 * iocb object to the iocb pool. The iotag in the iocb object
910 * does not change for each use of the iocb object. This function
911 * clears all other fields of the iocb object when it is freed.
912 * The sqlq structure that holds the xritag and phys and virtual
913 * mappings for the scatter gather list is retrieved from the
914 * active array of sglq. The get of the sglq pointer also clears
915 * the entry in the array. If the status of the IO indiactes that
916 * this IO was aborted then the sglq entry it put on the
917 * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the
918 * IO has good status or fails for any other reason then the sglq
919 * entry is added to the free list (lpfc_sgl_list).
922 __lpfc_sli_release_iocbq_s4(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
924 struct lpfc_sglq
*sglq
;
925 size_t start_clean
= offsetof(struct lpfc_iocbq
, iocb
);
926 unsigned long iflag
= 0;
927 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
929 if (iocbq
->sli4_xritag
== NO_XRI
)
932 sglq
= __lpfc_clear_active_sglq(phba
, iocbq
->sli4_lxritag
);
935 if ((iocbq
->iocb_flag
& LPFC_EXCHANGE_BUSY
) &&
936 (sglq
->state
!= SGL_XRI_ABORTED
)) {
937 spin_lock_irqsave(&phba
->sli4_hba
.abts_sgl_list_lock
,
939 list_add(&sglq
->list
,
940 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
941 spin_unlock_irqrestore(
942 &phba
->sli4_hba
.abts_sgl_list_lock
, iflag
);
944 sglq
->state
= SGL_FREED
;
946 list_add_tail(&sglq
->list
,
947 &phba
->sli4_hba
.lpfc_sgl_list
);
949 /* Check if TXQ queue needs to be serviced */
951 lpfc_worker_wake_up(phba
);
957 * Clean all volatile data fields, preserve iotag and node struct.
959 memset((char *)iocbq
+ start_clean
, 0, sizeof(*iocbq
) - start_clean
);
960 iocbq
->sli4_lxritag
= NO_XRI
;
961 iocbq
->sli4_xritag
= NO_XRI
;
962 list_add_tail(&iocbq
->list
, &phba
->lpfc_iocb_list
);
967 * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool
968 * @phba: Pointer to HBA context object.
969 * @iocbq: Pointer to driver iocb object.
971 * This function is called with hbalock held to release driver
972 * iocb object to the iocb pool. The iotag in the iocb object
973 * does not change for each use of the iocb object. This function
974 * clears all other fields of the iocb object when it is freed.
977 __lpfc_sli_release_iocbq_s3(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
979 size_t start_clean
= offsetof(struct lpfc_iocbq
, iocb
);
982 * Clean all volatile data fields, preserve iotag and node struct.
984 memset((char*)iocbq
+ start_clean
, 0, sizeof(*iocbq
) - start_clean
);
985 iocbq
->sli4_xritag
= NO_XRI
;
986 list_add_tail(&iocbq
->list
, &phba
->lpfc_iocb_list
);
990 * __lpfc_sli_release_iocbq - Release iocb to the iocb pool
991 * @phba: Pointer to HBA context object.
992 * @iocbq: Pointer to driver iocb object.
994 * This function is called with hbalock held to release driver
995 * iocb object to the iocb pool. The iotag in the iocb object
996 * does not change for each use of the iocb object. This function
997 * clears all other fields of the iocb object when it is freed.
1000 __lpfc_sli_release_iocbq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1002 phba
->__lpfc_sli_release_iocbq(phba
, iocbq
);
1007 * lpfc_sli_release_iocbq - Release iocb to the iocb pool
1008 * @phba: Pointer to HBA context object.
1009 * @iocbq: Pointer to driver iocb object.
1011 * This function is called with no lock held to release the iocb to
1015 lpfc_sli_release_iocbq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1017 unsigned long iflags
;
1020 * Clean all volatile data fields, preserve iotag and node struct.
1022 spin_lock_irqsave(&phba
->hbalock
, iflags
);
1023 __lpfc_sli_release_iocbq(phba
, iocbq
);
1024 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
1028 * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list.
1029 * @phba: Pointer to HBA context object.
1030 * @iocblist: List of IOCBs.
1031 * @ulpstatus: ULP status in IOCB command field.
1032 * @ulpWord4: ULP word-4 in IOCB command field.
1034 * This function is called with a list of IOCBs to cancel. It cancels the IOCB
1035 * on the list by invoking the complete callback function associated with the
1036 * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond
1040 lpfc_sli_cancel_iocbs(struct lpfc_hba
*phba
, struct list_head
*iocblist
,
1041 uint32_t ulpstatus
, uint32_t ulpWord4
)
1043 struct lpfc_iocbq
*piocb
;
1045 while (!list_empty(iocblist
)) {
1046 list_remove_head(iocblist
, piocb
, struct lpfc_iocbq
, list
);
1048 if (!piocb
->iocb_cmpl
)
1049 lpfc_sli_release_iocbq(phba
, piocb
);
1051 piocb
->iocb
.ulpStatus
= ulpstatus
;
1052 piocb
->iocb
.un
.ulpWord
[4] = ulpWord4
;
1053 (piocb
->iocb_cmpl
) (phba
, piocb
, piocb
);
1060 * lpfc_sli_iocb_cmd_type - Get the iocb type
1061 * @iocb_cmnd: iocb command code.
1063 * This function is called by ring event handler function to get the iocb type.
1064 * This function translates the iocb command to an iocb command type used to
1065 * decide the final disposition of each completed IOCB.
1066 * The function returns
1067 * LPFC_UNKNOWN_IOCB if it is an unsupported iocb
1068 * LPFC_SOL_IOCB if it is a solicited iocb completion
1069 * LPFC_ABORT_IOCB if it is an abort iocb
1070 * LPFC_UNSOL_IOCB if it is an unsolicited iocb
1072 * The caller is not required to hold any lock.
1074 static lpfc_iocb_type
1075 lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd
)
1077 lpfc_iocb_type type
= LPFC_UNKNOWN_IOCB
;
1079 if (iocb_cmnd
> CMD_MAX_IOCB_CMD
)
1082 switch (iocb_cmnd
) {
1083 case CMD_XMIT_SEQUENCE_CR
:
1084 case CMD_XMIT_SEQUENCE_CX
:
1085 case CMD_XMIT_BCAST_CN
:
1086 case CMD_XMIT_BCAST_CX
:
1087 case CMD_ELS_REQUEST_CR
:
1088 case CMD_ELS_REQUEST_CX
:
1089 case CMD_CREATE_XRI_CR
:
1090 case CMD_CREATE_XRI_CX
:
1091 case CMD_GET_RPI_CN
:
1092 case CMD_XMIT_ELS_RSP_CX
:
1093 case CMD_GET_RPI_CR
:
1094 case CMD_FCP_IWRITE_CR
:
1095 case CMD_FCP_IWRITE_CX
:
1096 case CMD_FCP_IREAD_CR
:
1097 case CMD_FCP_IREAD_CX
:
1098 case CMD_FCP_ICMND_CR
:
1099 case CMD_FCP_ICMND_CX
:
1100 case CMD_FCP_TSEND_CX
:
1101 case CMD_FCP_TRSP_CX
:
1102 case CMD_FCP_TRECEIVE_CX
:
1103 case CMD_FCP_AUTO_TRSP_CX
:
1104 case CMD_ADAPTER_MSG
:
1105 case CMD_ADAPTER_DUMP
:
1106 case CMD_XMIT_SEQUENCE64_CR
:
1107 case CMD_XMIT_SEQUENCE64_CX
:
1108 case CMD_XMIT_BCAST64_CN
:
1109 case CMD_XMIT_BCAST64_CX
:
1110 case CMD_ELS_REQUEST64_CR
:
1111 case CMD_ELS_REQUEST64_CX
:
1112 case CMD_FCP_IWRITE64_CR
:
1113 case CMD_FCP_IWRITE64_CX
:
1114 case CMD_FCP_IREAD64_CR
:
1115 case CMD_FCP_IREAD64_CX
:
1116 case CMD_FCP_ICMND64_CR
:
1117 case CMD_FCP_ICMND64_CX
:
1118 case CMD_FCP_TSEND64_CX
:
1119 case CMD_FCP_TRSP64_CX
:
1120 case CMD_FCP_TRECEIVE64_CX
:
1121 case CMD_GEN_REQUEST64_CR
:
1122 case CMD_GEN_REQUEST64_CX
:
1123 case CMD_XMIT_ELS_RSP64_CX
:
1124 case DSSCMD_IWRITE64_CR
:
1125 case DSSCMD_IWRITE64_CX
:
1126 case DSSCMD_IREAD64_CR
:
1127 case DSSCMD_IREAD64_CX
:
1128 type
= LPFC_SOL_IOCB
;
1130 case CMD_ABORT_XRI_CN
:
1131 case CMD_ABORT_XRI_CX
:
1132 case CMD_CLOSE_XRI_CN
:
1133 case CMD_CLOSE_XRI_CX
:
1134 case CMD_XRI_ABORTED_CX
:
1135 case CMD_ABORT_MXRI64_CN
:
1136 case CMD_XMIT_BLS_RSP64_CX
:
1137 type
= LPFC_ABORT_IOCB
;
1139 case CMD_RCV_SEQUENCE_CX
:
1140 case CMD_RCV_ELS_REQ_CX
:
1141 case CMD_RCV_SEQUENCE64_CX
:
1142 case CMD_RCV_ELS_REQ64_CX
:
1143 case CMD_ASYNC_STATUS
:
1144 case CMD_IOCB_RCV_SEQ64_CX
:
1145 case CMD_IOCB_RCV_ELS64_CX
:
1146 case CMD_IOCB_RCV_CONT64_CX
:
1147 case CMD_IOCB_RET_XRI64_CX
:
1148 type
= LPFC_UNSOL_IOCB
;
1150 case CMD_IOCB_XMIT_MSEQ64_CR
:
1151 case CMD_IOCB_XMIT_MSEQ64_CX
:
1152 case CMD_IOCB_RCV_SEQ_LIST64_CX
:
1153 case CMD_IOCB_RCV_ELS_LIST64_CX
:
1154 case CMD_IOCB_CLOSE_EXTENDED_CN
:
1155 case CMD_IOCB_ABORT_EXTENDED_CN
:
1156 case CMD_IOCB_RET_HBQE64_CN
:
1157 case CMD_IOCB_FCP_IBIDIR64_CR
:
1158 case CMD_IOCB_FCP_IBIDIR64_CX
:
1159 case CMD_IOCB_FCP_ITASKMGT64_CX
:
1160 case CMD_IOCB_LOGENTRY_CN
:
1161 case CMD_IOCB_LOGENTRY_ASYNC_CN
:
1162 printk("%s - Unhandled SLI-3 Command x%x\n",
1163 __func__
, iocb_cmnd
);
1164 type
= LPFC_UNKNOWN_IOCB
;
1167 type
= LPFC_UNKNOWN_IOCB
;
1175 * lpfc_sli_ring_map - Issue config_ring mbox for all rings
1176 * @phba: Pointer to HBA context object.
1178 * This function is called from SLI initialization code
1179 * to configure every ring of the HBA's SLI interface. The
1180 * caller is not required to hold any lock. This function issues
1181 * a config_ring mailbox command for each ring.
1182 * This function returns zero if successful else returns a negative
1186 lpfc_sli_ring_map(struct lpfc_hba
*phba
)
1188 struct lpfc_sli
*psli
= &phba
->sli
;
1193 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1197 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
1198 for (i
= 0; i
< psli
->num_rings
; i
++) {
1199 lpfc_config_ring(phba
, i
, pmb
);
1200 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
1201 if (rc
!= MBX_SUCCESS
) {
1202 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1203 "0446 Adapter failed to init (%d), "
1204 "mbxCmd x%x CFG_RING, mbxStatus x%x, "
1206 rc
, pmbox
->mbxCommand
,
1207 pmbox
->mbxStatus
, i
);
1208 phba
->link_state
= LPFC_HBA_ERROR
;
1213 mempool_free(pmb
, phba
->mbox_mem_pool
);
1218 * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq
1219 * @phba: Pointer to HBA context object.
1220 * @pring: Pointer to driver SLI ring object.
1221 * @piocb: Pointer to the driver iocb object.
1223 * This function is called with hbalock held. The function adds the
1224 * new iocb to txcmplq of the given ring. This function always returns
1225 * 0. If this function is called for ELS ring, this function checks if
1226 * there is a vport associated with the ELS command. This function also
1227 * starts els_tmofunc timer if this is an ELS command.
1230 lpfc_sli_ringtxcmpl_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
1231 struct lpfc_iocbq
*piocb
)
1233 list_add_tail(&piocb
->list
, &pring
->txcmplq
);
1234 piocb
->iocb_flag
|= LPFC_IO_ON_Q
;
1235 pring
->txcmplq_cnt
++;
1236 if (pring
->txcmplq_cnt
> pring
->txcmplq_max
)
1237 pring
->txcmplq_max
= pring
->txcmplq_cnt
;
1239 if ((unlikely(pring
->ringno
== LPFC_ELS_RING
)) &&
1240 (piocb
->iocb
.ulpCommand
!= CMD_ABORT_XRI_CN
) &&
1241 (piocb
->iocb
.ulpCommand
!= CMD_CLOSE_XRI_CN
)) {
1245 mod_timer(&piocb
->vport
->els_tmofunc
,
1246 jiffies
+ HZ
* (phba
->fc_ratov
<< 1));
1254 * lpfc_sli_ringtx_get - Get first element of the txq
1255 * @phba: Pointer to HBA context object.
1256 * @pring: Pointer to driver SLI ring object.
1258 * This function is called with hbalock held to get next
1259 * iocb in txq of the given ring. If there is any iocb in
1260 * the txq, the function returns first iocb in the list after
1261 * removing the iocb from the list, else it returns NULL.
1264 lpfc_sli_ringtx_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1266 struct lpfc_iocbq
*cmd_iocb
;
1268 list_remove_head((&pring
->txq
), cmd_iocb
, struct lpfc_iocbq
, list
);
1269 if (cmd_iocb
!= NULL
)
1275 * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring
1276 * @phba: Pointer to HBA context object.
1277 * @pring: Pointer to driver SLI ring object.
1279 * This function is called with hbalock held and the caller must post the
1280 * iocb without releasing the lock. If the caller releases the lock,
1281 * iocb slot returned by the function is not guaranteed to be available.
1282 * The function returns pointer to the next available iocb slot if there
1283 * is available slot in the ring, else it returns NULL.
1284 * If the get index of the ring is ahead of the put index, the function
1285 * will post an error attention event to the worker thread to take the
1286 * HBA to offline state.
1289 lpfc_sli_next_iocb_slot (struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1291 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
1292 uint32_t max_cmd_idx
= pring
->numCiocb
;
1293 if ((pring
->next_cmdidx
== pring
->cmdidx
) &&
1294 (++pring
->next_cmdidx
>= max_cmd_idx
))
1295 pring
->next_cmdidx
= 0;
1297 if (unlikely(pring
->local_getidx
== pring
->next_cmdidx
)) {
1299 pring
->local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
1301 if (unlikely(pring
->local_getidx
>= max_cmd_idx
)) {
1302 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
1303 "0315 Ring %d issue: portCmdGet %d "
1304 "is bigger than cmd ring %d\n",
1306 pring
->local_getidx
, max_cmd_idx
);
1308 phba
->link_state
= LPFC_HBA_ERROR
;
1310 * All error attention handlers are posted to
1313 phba
->work_ha
|= HA_ERATT
;
1314 phba
->work_hs
= HS_FFER3
;
1316 lpfc_worker_wake_up(phba
);
1321 if (pring
->local_getidx
== pring
->next_cmdidx
)
1325 return lpfc_cmd_iocb(phba
, pring
);
1329 * lpfc_sli_next_iotag - Get an iotag for the iocb
1330 * @phba: Pointer to HBA context object.
1331 * @iocbq: Pointer to driver iocb object.
1333 * This function gets an iotag for the iocb. If there is no unused iotag and
1334 * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup
1335 * array and assigns a new iotag.
1336 * The function returns the allocated iotag if successful, else returns zero.
1337 * Zero is not a valid iotag.
1338 * The caller is not required to hold any lock.
1341 lpfc_sli_next_iotag(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1343 struct lpfc_iocbq
**new_arr
;
1344 struct lpfc_iocbq
**old_arr
;
1346 struct lpfc_sli
*psli
= &phba
->sli
;
1349 spin_lock_irq(&phba
->hbalock
);
1350 iotag
= psli
->last_iotag
;
1351 if(++iotag
< psli
->iocbq_lookup_len
) {
1352 psli
->last_iotag
= iotag
;
1353 psli
->iocbq_lookup
[iotag
] = iocbq
;
1354 spin_unlock_irq(&phba
->hbalock
);
1355 iocbq
->iotag
= iotag
;
1357 } else if (psli
->iocbq_lookup_len
< (0xffff
1358 - LPFC_IOCBQ_LOOKUP_INCREMENT
)) {
1359 new_len
= psli
->iocbq_lookup_len
+ LPFC_IOCBQ_LOOKUP_INCREMENT
;
1360 spin_unlock_irq(&phba
->hbalock
);
1361 new_arr
= kzalloc(new_len
* sizeof (struct lpfc_iocbq
*),
1364 spin_lock_irq(&phba
->hbalock
);
1365 old_arr
= psli
->iocbq_lookup
;
1366 if (new_len
<= psli
->iocbq_lookup_len
) {
1367 /* highly unprobable case */
1369 iotag
= psli
->last_iotag
;
1370 if(++iotag
< psli
->iocbq_lookup_len
) {
1371 psli
->last_iotag
= iotag
;
1372 psli
->iocbq_lookup
[iotag
] = iocbq
;
1373 spin_unlock_irq(&phba
->hbalock
);
1374 iocbq
->iotag
= iotag
;
1377 spin_unlock_irq(&phba
->hbalock
);
1380 if (psli
->iocbq_lookup
)
1381 memcpy(new_arr
, old_arr
,
1382 ((psli
->last_iotag
+ 1) *
1383 sizeof (struct lpfc_iocbq
*)));
1384 psli
->iocbq_lookup
= new_arr
;
1385 psli
->iocbq_lookup_len
= new_len
;
1386 psli
->last_iotag
= iotag
;
1387 psli
->iocbq_lookup
[iotag
] = iocbq
;
1388 spin_unlock_irq(&phba
->hbalock
);
1389 iocbq
->iotag
= iotag
;
1394 spin_unlock_irq(&phba
->hbalock
);
1396 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
1397 "0318 Failed to allocate IOTAG.last IOTAG is %d\n",
1404 * lpfc_sli_submit_iocb - Submit an iocb to the firmware
1405 * @phba: Pointer to HBA context object.
1406 * @pring: Pointer to driver SLI ring object.
1407 * @iocb: Pointer to iocb slot in the ring.
1408 * @nextiocb: Pointer to driver iocb object which need to be
1409 * posted to firmware.
1411 * This function is called with hbalock held to post a new iocb to
1412 * the firmware. This function copies the new iocb to ring iocb slot and
1413 * updates the ring pointers. It adds the new iocb to txcmplq if there is
1414 * a completion call back for this iocb else the function will free the
1418 lpfc_sli_submit_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
1419 IOCB_t
*iocb
, struct lpfc_iocbq
*nextiocb
)
1424 nextiocb
->iocb
.ulpIoTag
= (nextiocb
->iocb_cmpl
) ? nextiocb
->iotag
: 0;
1427 if (pring
->ringno
== LPFC_ELS_RING
) {
1428 lpfc_debugfs_slow_ring_trc(phba
,
1429 "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x",
1430 *(((uint32_t *) &nextiocb
->iocb
) + 4),
1431 *(((uint32_t *) &nextiocb
->iocb
) + 6),
1432 *(((uint32_t *) &nextiocb
->iocb
) + 7));
1436 * Issue iocb command to adapter
1438 lpfc_sli_pcimem_bcopy(&nextiocb
->iocb
, iocb
, phba
->iocb_cmd_size
);
1440 pring
->stats
.iocb_cmd
++;
1443 * If there is no completion routine to call, we can release the
1444 * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF,
1445 * that have no rsp ring completion, iocb_cmpl MUST be NULL.
1447 if (nextiocb
->iocb_cmpl
)
1448 lpfc_sli_ringtxcmpl_put(phba
, pring
, nextiocb
);
1450 __lpfc_sli_release_iocbq(phba
, nextiocb
);
1453 * Let the HBA know what IOCB slot will be the next one the
1454 * driver will put a command into.
1456 pring
->cmdidx
= pring
->next_cmdidx
;
1457 writel(pring
->cmdidx
, &phba
->host_gp
[pring
->ringno
].cmdPutInx
);
1461 * lpfc_sli_update_full_ring - Update the chip attention register
1462 * @phba: Pointer to HBA context object.
1463 * @pring: Pointer to driver SLI ring object.
1465 * The caller is not required to hold any lock for calling this function.
1466 * This function updates the chip attention bits for the ring to inform firmware
1467 * that there are pending work to be done for this ring and requests an
1468 * interrupt when there is space available in the ring. This function is
1469 * called when the driver is unable to post more iocbs to the ring due
1470 * to unavailability of space in the ring.
1473 lpfc_sli_update_full_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1475 int ringno
= pring
->ringno
;
1477 pring
->flag
|= LPFC_CALL_RING_AVAILABLE
;
1482 * Set ring 'ringno' to SET R0CE_REQ in Chip Att register.
1483 * The HBA will tell us when an IOCB entry is available.
1485 writel((CA_R0ATT
|CA_R0CE_REQ
) << (ringno
*4), phba
->CAregaddr
);
1486 readl(phba
->CAregaddr
); /* flush */
1488 pring
->stats
.iocb_cmd_full
++;
1492 * lpfc_sli_update_ring - Update chip attention register
1493 * @phba: Pointer to HBA context object.
1494 * @pring: Pointer to driver SLI ring object.
1496 * This function updates the chip attention register bit for the
1497 * given ring to inform HBA that there is more work to be done
1498 * in this ring. The caller is not required to hold any lock.
1501 lpfc_sli_update_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1503 int ringno
= pring
->ringno
;
1506 * Tell the HBA that there is work to do in this ring.
1508 if (!(phba
->sli3_options
& LPFC_SLI3_CRP_ENABLED
)) {
1510 writel(CA_R0ATT
<< (ringno
* 4), phba
->CAregaddr
);
1511 readl(phba
->CAregaddr
); /* flush */
1516 * lpfc_sli_resume_iocb - Process iocbs in the txq
1517 * @phba: Pointer to HBA context object.
1518 * @pring: Pointer to driver SLI ring object.
1520 * This function is called with hbalock held to post pending iocbs
1521 * in the txq to the firmware. This function is called when driver
1522 * detects space available in the ring.
1525 lpfc_sli_resume_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1528 struct lpfc_iocbq
*nextiocb
;
1532 * (a) there is anything on the txq to send
1534 * (c) link attention events can be processed (fcp ring only)
1535 * (d) IOCB processing is not blocked by the outstanding mbox command.
1537 if (pring
->txq_cnt
&&
1538 lpfc_is_link_up(phba
) &&
1539 (pring
->ringno
!= phba
->sli
.fcp_ring
||
1540 phba
->sli
.sli_flag
& LPFC_PROCESS_LA
)) {
1542 while ((iocb
= lpfc_sli_next_iocb_slot(phba
, pring
)) &&
1543 (nextiocb
= lpfc_sli_ringtx_get(phba
, pring
)))
1544 lpfc_sli_submit_iocb(phba
, pring
, iocb
, nextiocb
);
1547 lpfc_sli_update_ring(phba
, pring
);
1549 lpfc_sli_update_full_ring(phba
, pring
);
1556 * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ
1557 * @phba: Pointer to HBA context object.
1558 * @hbqno: HBQ number.
1560 * This function is called with hbalock held to get the next
1561 * available slot for the given HBQ. If there is free slot
1562 * available for the HBQ it will return pointer to the next available
1563 * HBQ entry else it will return NULL.
1565 static struct lpfc_hbq_entry
*
1566 lpfc_sli_next_hbq_slot(struct lpfc_hba
*phba
, uint32_t hbqno
)
1568 struct hbq_s
*hbqp
= &phba
->hbqs
[hbqno
];
1570 if (hbqp
->next_hbqPutIdx
== hbqp
->hbqPutIdx
&&
1571 ++hbqp
->next_hbqPutIdx
>= hbqp
->entry_count
)
1572 hbqp
->next_hbqPutIdx
= 0;
1574 if (unlikely(hbqp
->local_hbqGetIdx
== hbqp
->next_hbqPutIdx
)) {
1575 uint32_t raw_index
= phba
->hbq_get
[hbqno
];
1576 uint32_t getidx
= le32_to_cpu(raw_index
);
1578 hbqp
->local_hbqGetIdx
= getidx
;
1580 if (unlikely(hbqp
->local_hbqGetIdx
>= hbqp
->entry_count
)) {
1581 lpfc_printf_log(phba
, KERN_ERR
,
1582 LOG_SLI
| LOG_VPORT
,
1583 "1802 HBQ %d: local_hbqGetIdx "
1584 "%u is > than hbqp->entry_count %u\n",
1585 hbqno
, hbqp
->local_hbqGetIdx
,
1588 phba
->link_state
= LPFC_HBA_ERROR
;
1592 if (hbqp
->local_hbqGetIdx
== hbqp
->next_hbqPutIdx
)
1596 return (struct lpfc_hbq_entry
*) phba
->hbqs
[hbqno
].hbq_virt
+
1601 * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers
1602 * @phba: Pointer to HBA context object.
1604 * This function is called with no lock held to free all the
1605 * hbq buffers while uninitializing the SLI interface. It also
1606 * frees the HBQ buffers returned by the firmware but not yet
1607 * processed by the upper layers.
1610 lpfc_sli_hbqbuf_free_all(struct lpfc_hba
*phba
)
1612 struct lpfc_dmabuf
*dmabuf
, *next_dmabuf
;
1613 struct hbq_dmabuf
*hbq_buf
;
1614 unsigned long flags
;
1618 hbq_count
= lpfc_sli_hbq_count();
1619 /* Return all memory used by all HBQs */
1620 spin_lock_irqsave(&phba
->hbalock
, flags
);
1621 for (i
= 0; i
< hbq_count
; ++i
) {
1622 list_for_each_entry_safe(dmabuf
, next_dmabuf
,
1623 &phba
->hbqs
[i
].hbq_buffer_list
, list
) {
1624 hbq_buf
= container_of(dmabuf
, struct hbq_dmabuf
, dbuf
);
1625 list_del(&hbq_buf
->dbuf
.list
);
1626 (phba
->hbqs
[i
].hbq_free_buffer
)(phba
, hbq_buf
);
1628 phba
->hbqs
[i
].buffer_count
= 0;
1630 /* Return all HBQ buffer that are in-fly */
1631 list_for_each_entry_safe(dmabuf
, next_dmabuf
, &phba
->rb_pend_list
,
1633 hbq_buf
= container_of(dmabuf
, struct hbq_dmabuf
, dbuf
);
1634 list_del(&hbq_buf
->dbuf
.list
);
1635 if (hbq_buf
->tag
== -1) {
1636 (phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
)
1639 hbqno
= hbq_buf
->tag
>> 16;
1640 if (hbqno
>= LPFC_MAX_HBQS
)
1641 (phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
)
1644 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
,
1649 /* Mark the HBQs not in use */
1650 phba
->hbq_in_use
= 0;
1651 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1655 * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware
1656 * @phba: Pointer to HBA context object.
1657 * @hbqno: HBQ number.
1658 * @hbq_buf: Pointer to HBQ buffer.
1660 * This function is called with the hbalock held to post a
1661 * hbq buffer to the firmware. If the function finds an empty
1662 * slot in the HBQ, it will post the buffer. The function will return
1663 * pointer to the hbq entry if it successfully post the buffer
1664 * else it will return NULL.
1667 lpfc_sli_hbq_to_firmware(struct lpfc_hba
*phba
, uint32_t hbqno
,
1668 struct hbq_dmabuf
*hbq_buf
)
1670 return phba
->lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buf
);
1674 * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware
1675 * @phba: Pointer to HBA context object.
1676 * @hbqno: HBQ number.
1677 * @hbq_buf: Pointer to HBQ buffer.
1679 * This function is called with the hbalock held to post a hbq buffer to the
1680 * firmware. If the function finds an empty slot in the HBQ, it will post the
1681 * buffer and place it on the hbq_buffer_list. The function will return zero if
1682 * it successfully post the buffer else it will return an error.
1685 lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba
*phba
, uint32_t hbqno
,
1686 struct hbq_dmabuf
*hbq_buf
)
1688 struct lpfc_hbq_entry
*hbqe
;
1689 dma_addr_t physaddr
= hbq_buf
->dbuf
.phys
;
1691 /* Get next HBQ entry slot to use */
1692 hbqe
= lpfc_sli_next_hbq_slot(phba
, hbqno
);
1694 struct hbq_s
*hbqp
= &phba
->hbqs
[hbqno
];
1696 hbqe
->bde
.addrHigh
= le32_to_cpu(putPaddrHigh(physaddr
));
1697 hbqe
->bde
.addrLow
= le32_to_cpu(putPaddrLow(physaddr
));
1698 hbqe
->bde
.tus
.f
.bdeSize
= hbq_buf
->size
;
1699 hbqe
->bde
.tus
.f
.bdeFlags
= 0;
1700 hbqe
->bde
.tus
.w
= le32_to_cpu(hbqe
->bde
.tus
.w
);
1701 hbqe
->buffer_tag
= le32_to_cpu(hbq_buf
->tag
);
1703 hbqp
->hbqPutIdx
= hbqp
->next_hbqPutIdx
;
1704 writel(hbqp
->hbqPutIdx
, phba
->hbq_put
+ hbqno
);
1706 readl(phba
->hbq_put
+ hbqno
);
1707 list_add_tail(&hbq_buf
->dbuf
.list
, &hbqp
->hbq_buffer_list
);
1714 * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware
1715 * @phba: Pointer to HBA context object.
1716 * @hbqno: HBQ number.
1717 * @hbq_buf: Pointer to HBQ buffer.
1719 * This function is called with the hbalock held to post an RQE to the SLI4
1720 * firmware. If able to post the RQE to the RQ it will queue the hbq entry to
1721 * the hbq_buffer_list and return zero, otherwise it will return an error.
1724 lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba
*phba
, uint32_t hbqno
,
1725 struct hbq_dmabuf
*hbq_buf
)
1728 struct lpfc_rqe hrqe
;
1729 struct lpfc_rqe drqe
;
1731 hrqe
.address_lo
= putPaddrLow(hbq_buf
->hbuf
.phys
);
1732 hrqe
.address_hi
= putPaddrHigh(hbq_buf
->hbuf
.phys
);
1733 drqe
.address_lo
= putPaddrLow(hbq_buf
->dbuf
.phys
);
1734 drqe
.address_hi
= putPaddrHigh(hbq_buf
->dbuf
.phys
);
1735 rc
= lpfc_sli4_rq_put(phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
1740 list_add_tail(&hbq_buf
->dbuf
.list
, &phba
->hbqs
[hbqno
].hbq_buffer_list
);
1744 /* HBQ for ELS and CT traffic. */
1745 static struct lpfc_hbq_init lpfc_els_hbq
= {
1750 .ring_mask
= (1 << LPFC_ELS_RING
),
1756 /* HBQ for the extra ring if needed */
1757 static struct lpfc_hbq_init lpfc_extra_hbq
= {
1762 .ring_mask
= (1 << LPFC_EXTRA_RING
),
1769 struct lpfc_hbq_init
*lpfc_hbq_defs
[] = {
1775 * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ
1776 * @phba: Pointer to HBA context object.
1777 * @hbqno: HBQ number.
1778 * @count: Number of HBQ buffers to be posted.
1780 * This function is called with no lock held to post more hbq buffers to the
1781 * given HBQ. The function returns the number of HBQ buffers successfully
1785 lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba
*phba
, uint32_t hbqno
, uint32_t count
)
1787 uint32_t i
, posted
= 0;
1788 unsigned long flags
;
1789 struct hbq_dmabuf
*hbq_buffer
;
1790 LIST_HEAD(hbq_buf_list
);
1791 if (!phba
->hbqs
[hbqno
].hbq_alloc_buffer
)
1794 if ((phba
->hbqs
[hbqno
].buffer_count
+ count
) >
1795 lpfc_hbq_defs
[hbqno
]->entry_count
)
1796 count
= lpfc_hbq_defs
[hbqno
]->entry_count
-
1797 phba
->hbqs
[hbqno
].buffer_count
;
1800 /* Allocate HBQ entries */
1801 for (i
= 0; i
< count
; i
++) {
1802 hbq_buffer
= (phba
->hbqs
[hbqno
].hbq_alloc_buffer
)(phba
);
1805 list_add_tail(&hbq_buffer
->dbuf
.list
, &hbq_buf_list
);
1807 /* Check whether HBQ is still in use */
1808 spin_lock_irqsave(&phba
->hbalock
, flags
);
1809 if (!phba
->hbq_in_use
)
1811 while (!list_empty(&hbq_buf_list
)) {
1812 list_remove_head(&hbq_buf_list
, hbq_buffer
, struct hbq_dmabuf
,
1814 hbq_buffer
->tag
= (phba
->hbqs
[hbqno
].buffer_count
|
1816 if (!lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buffer
)) {
1817 phba
->hbqs
[hbqno
].buffer_count
++;
1820 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
1822 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1825 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1826 while (!list_empty(&hbq_buf_list
)) {
1827 list_remove_head(&hbq_buf_list
, hbq_buffer
, struct hbq_dmabuf
,
1829 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
1835 * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware
1836 * @phba: Pointer to HBA context object.
1839 * This function posts more buffers to the HBQ. This function
1840 * is called with no lock held. The function returns the number of HBQ entries
1841 * successfully allocated.
1844 lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba
*phba
, uint32_t qno
)
1846 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1849 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
1850 lpfc_hbq_defs
[qno
]->add_count
);
1854 * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ
1855 * @phba: Pointer to HBA context object.
1856 * @qno: HBQ queue number.
1858 * This function is called from SLI initialization code path with
1859 * no lock held to post initial HBQ buffers to firmware. The
1860 * function returns the number of HBQ entries successfully allocated.
1863 lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba
*phba
, uint32_t qno
)
1865 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1866 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
1867 lpfc_hbq_defs
[qno
]->entry_count
);
1869 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
1870 lpfc_hbq_defs
[qno
]->init_count
);
1874 * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list
1875 * @phba: Pointer to HBA context object.
1876 * @hbqno: HBQ number.
1878 * This function removes the first hbq buffer on an hbq list and returns a
1879 * pointer to that buffer. If it finds no buffers on the list it returns NULL.
1881 static struct hbq_dmabuf
*
1882 lpfc_sli_hbqbuf_get(struct list_head
*rb_list
)
1884 struct lpfc_dmabuf
*d_buf
;
1886 list_remove_head(rb_list
, d_buf
, struct lpfc_dmabuf
, list
);
1889 return container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
1893 * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag
1894 * @phba: Pointer to HBA context object.
1895 * @tag: Tag of the hbq buffer.
1897 * This function is called with hbalock held. This function searches
1898 * for the hbq buffer associated with the given tag in the hbq buffer
1899 * list. If it finds the hbq buffer, it returns the hbq_buffer other wise
1902 static struct hbq_dmabuf
*
1903 lpfc_sli_hbqbuf_find(struct lpfc_hba
*phba
, uint32_t tag
)
1905 struct lpfc_dmabuf
*d_buf
;
1906 struct hbq_dmabuf
*hbq_buf
;
1910 if (hbqno
>= LPFC_MAX_HBQS
)
1913 spin_lock_irq(&phba
->hbalock
);
1914 list_for_each_entry(d_buf
, &phba
->hbqs
[hbqno
].hbq_buffer_list
, list
) {
1915 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
1916 if (hbq_buf
->tag
== tag
) {
1917 spin_unlock_irq(&phba
->hbalock
);
1921 spin_unlock_irq(&phba
->hbalock
);
1922 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
| LOG_VPORT
,
1923 "1803 Bad hbq tag. Data: x%x x%x\n",
1924 tag
, phba
->hbqs
[tag
>> 16].buffer_count
);
1929 * lpfc_sli_free_hbq - Give back the hbq buffer to firmware
1930 * @phba: Pointer to HBA context object.
1931 * @hbq_buffer: Pointer to HBQ buffer.
1933 * This function is called with hbalock. This function gives back
1934 * the hbq buffer to firmware. If the HBQ does not have space to
1935 * post the buffer, it will free the buffer.
1938 lpfc_sli_free_hbq(struct lpfc_hba
*phba
, struct hbq_dmabuf
*hbq_buffer
)
1943 hbqno
= hbq_buffer
->tag
>> 16;
1944 if (lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buffer
))
1945 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
1950 * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox
1951 * @mbxCommand: mailbox command code.
1953 * This function is called by the mailbox event handler function to verify
1954 * that the completed mailbox command is a legitimate mailbox command. If the
1955 * completed mailbox is not known to the function, it will return MBX_SHUTDOWN
1956 * and the mailbox event handler will take the HBA offline.
1959 lpfc_sli_chk_mbx_command(uint8_t mbxCommand
)
1963 switch (mbxCommand
) {
1967 case MBX_WRITE_VPARMS
:
1968 case MBX_RUN_BIU_DIAG
:
1971 case MBX_CONFIG_LINK
:
1972 case MBX_CONFIG_RING
:
1973 case MBX_RESET_RING
:
1974 case MBX_READ_CONFIG
:
1975 case MBX_READ_RCONFIG
:
1976 case MBX_READ_SPARM
:
1977 case MBX_READ_STATUS
:
1981 case MBX_READ_LNK_STAT
:
1983 case MBX_UNREG_LOGIN
:
1985 case MBX_DUMP_MEMORY
:
1986 case MBX_DUMP_CONTEXT
:
1989 case MBX_UPDATE_CFG
:
1991 case MBX_DEL_LD_ENTRY
:
1992 case MBX_RUN_PROGRAM
:
1994 case MBX_SET_VARIABLE
:
1995 case MBX_UNREG_D_ID
:
1996 case MBX_KILL_BOARD
:
1997 case MBX_CONFIG_FARP
:
2000 case MBX_RUN_BIU_DIAG64
:
2001 case MBX_CONFIG_PORT
:
2002 case MBX_READ_SPARM64
:
2003 case MBX_READ_RPI64
:
2004 case MBX_REG_LOGIN64
:
2005 case MBX_READ_TOPOLOGY
:
2008 case MBX_LOAD_EXP_ROM
:
2009 case MBX_ASYNCEVT_ENABLE
:
2013 case MBX_PORT_CAPABILITIES
:
2014 case MBX_PORT_IOV_CONTROL
:
2015 case MBX_SLI4_CONFIG
:
2016 case MBX_SLI4_REQ_FTRS
:
2018 case MBX_UNREG_FCFI
:
2023 case MBX_RESUME_RPI
:
2024 case MBX_READ_EVENT_LOG_STATUS
:
2025 case MBX_READ_EVENT_LOG
:
2026 case MBX_SECURITY_MGMT
:
2038 * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler
2039 * @phba: Pointer to HBA context object.
2040 * @pmboxq: Pointer to mailbox command.
2042 * This is completion handler function for mailbox commands issued from
2043 * lpfc_sli_issue_mbox_wait function. This function is called by the
2044 * mailbox event handler function with no lock held. This function
2045 * will wake up thread waiting on the wait queue pointed by context1
2049 lpfc_sli_wake_mbox_wait(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
2051 wait_queue_head_t
*pdone_q
;
2052 unsigned long drvr_flag
;
2055 * If pdone_q is empty, the driver thread gave up waiting and
2056 * continued running.
2058 pmboxq
->mbox_flag
|= LPFC_MBX_WAKE
;
2059 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
2060 pdone_q
= (wait_queue_head_t
*) pmboxq
->context1
;
2062 wake_up_interruptible(pdone_q
);
2063 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
2069 * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler
2070 * @phba: Pointer to HBA context object.
2071 * @pmb: Pointer to mailbox object.
2073 * This function is the default mailbox completion handler. It
2074 * frees the memory resources associated with the completed mailbox
2075 * command. If the completed command is a REG_LOGIN mailbox command,
2076 * this function will issue a UREG_LOGIN to re-claim the RPI.
2079 lpfc_sli_def_mbox_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2081 struct lpfc_vport
*vport
= pmb
->vport
;
2082 struct lpfc_dmabuf
*mp
;
2083 struct lpfc_nodelist
*ndlp
;
2084 struct Scsi_Host
*shost
;
2088 mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
2091 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2096 * If a REG_LOGIN succeeded after node is destroyed or node
2097 * is in re-discovery driver need to cleanup the RPI.
2099 if (!(phba
->pport
->load_flag
& FC_UNLOADING
) &&
2100 pmb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
&&
2101 !pmb
->u
.mb
.mbxStatus
) {
2102 rpi
= pmb
->u
.mb
.un
.varWords
[0];
2103 vpi
= pmb
->u
.mb
.un
.varRegLogin
.vpi
;
2104 lpfc_unreg_login(phba
, vpi
, rpi
, pmb
);
2105 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
2106 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
2107 if (rc
!= MBX_NOT_FINISHED
)
2111 if ((pmb
->u
.mb
.mbxCommand
== MBX_REG_VPI
) &&
2112 !(phba
->pport
->load_flag
& FC_UNLOADING
) &&
2113 !pmb
->u
.mb
.mbxStatus
) {
2114 shost
= lpfc_shost_from_vport(vport
);
2115 spin_lock_irq(shost
->host_lock
);
2116 vport
->vpi_state
|= LPFC_VPI_REGISTERED
;
2117 vport
->fc_flag
&= ~FC_VPORT_NEEDS_REG_VPI
;
2118 spin_unlock_irq(shost
->host_lock
);
2121 if (pmb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
2122 ndlp
= (struct lpfc_nodelist
*)pmb
->context2
;
2124 pmb
->context2
= NULL
;
2127 /* Check security permission status on INIT_LINK mailbox command */
2128 if ((pmb
->u
.mb
.mbxCommand
== MBX_INIT_LINK
) &&
2129 (pmb
->u
.mb
.mbxStatus
== MBXERR_SEC_NO_PERMISSION
))
2130 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
2131 "2860 SLI authentication is required "
2132 "for INIT_LINK but has not done yet\n");
2134 if (bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
) == MBX_SLI4_CONFIG
)
2135 lpfc_sli4_mbox_cmd_free(phba
, pmb
);
2137 mempool_free(pmb
, phba
->mbox_mem_pool
);
2141 * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware
2142 * @phba: Pointer to HBA context object.
2144 * This function is called with no lock held. This function processes all
2145 * the completed mailbox commands and gives it to upper layers. The interrupt
2146 * service routine processes mailbox completion interrupt and adds completed
2147 * mailbox commands to the mboxq_cmpl queue and signals the worker thread.
2148 * Worker thread call lpfc_sli_handle_mb_event, which will return the
2149 * completed mailbox commands in mboxq_cmpl queue to the upper layers. This
2150 * function returns the mailbox commands to the upper layer by calling the
2151 * completion handler function of each mailbox.
2154 lpfc_sli_handle_mb_event(struct lpfc_hba
*phba
)
2161 phba
->sli
.slistat
.mbox_event
++;
2163 /* Get all completed mailboxe buffers into the cmplq */
2164 spin_lock_irq(&phba
->hbalock
);
2165 list_splice_init(&phba
->sli
.mboxq_cmpl
, &cmplq
);
2166 spin_unlock_irq(&phba
->hbalock
);
2168 /* Get a Mailbox buffer to setup mailbox commands for callback */
2170 list_remove_head(&cmplq
, pmb
, LPFC_MBOXQ_t
, list
);
2176 if (pmbox
->mbxCommand
!= MBX_HEARTBEAT
) {
2178 lpfc_debugfs_disc_trc(pmb
->vport
,
2179 LPFC_DISC_TRC_MBOX_VPORT
,
2180 "MBOX cmpl vport: cmd:x%x mb:x%x x%x",
2181 (uint32_t)pmbox
->mbxCommand
,
2182 pmbox
->un
.varWords
[0],
2183 pmbox
->un
.varWords
[1]);
2186 lpfc_debugfs_disc_trc(phba
->pport
,
2188 "MBOX cmpl: cmd:x%x mb:x%x x%x",
2189 (uint32_t)pmbox
->mbxCommand
,
2190 pmbox
->un
.varWords
[0],
2191 pmbox
->un
.varWords
[1]);
2196 * It is a fatal error if unknown mbox command completion.
2198 if (lpfc_sli_chk_mbx_command(pmbox
->mbxCommand
) ==
2200 /* Unknown mailbox command compl */
2201 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
2202 "(%d):0323 Unknown Mailbox command "
2204 pmb
->vport
? pmb
->vport
->vpi
: 0,
2206 lpfc_sli4_mbox_opcode_get(phba
, pmb
));
2207 phba
->link_state
= LPFC_HBA_ERROR
;
2208 phba
->work_hs
= HS_FFER3
;
2209 lpfc_handle_eratt(phba
);
2213 if (pmbox
->mbxStatus
) {
2214 phba
->sli
.slistat
.mbox_stat_err
++;
2215 if (pmbox
->mbxStatus
== MBXERR_NO_RESOURCES
) {
2216 /* Mbox cmd cmpl error - RETRYing */
2217 lpfc_printf_log(phba
, KERN_INFO
,
2219 "(%d):0305 Mbox cmd cmpl "
2220 "error - RETRYing Data: x%x "
2221 "(x%x) x%x x%x x%x\n",
2222 pmb
->vport
? pmb
->vport
->vpi
:0,
2224 lpfc_sli4_mbox_opcode_get(phba
,
2227 pmbox
->un
.varWords
[0],
2228 pmb
->vport
->port_state
);
2229 pmbox
->mbxStatus
= 0;
2230 pmbox
->mbxOwner
= OWN_HOST
;
2231 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
2232 if (rc
!= MBX_NOT_FINISHED
)
2237 /* Mailbox cmd <cmd> Cmpl <cmpl> */
2238 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
2239 "(%d):0307 Mailbox cmd x%x (x%x) Cmpl x%p "
2240 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n",
2241 pmb
->vport
? pmb
->vport
->vpi
: 0,
2243 lpfc_sli4_mbox_opcode_get(phba
, pmb
),
2245 *((uint32_t *) pmbox
),
2246 pmbox
->un
.varWords
[0],
2247 pmbox
->un
.varWords
[1],
2248 pmbox
->un
.varWords
[2],
2249 pmbox
->un
.varWords
[3],
2250 pmbox
->un
.varWords
[4],
2251 pmbox
->un
.varWords
[5],
2252 pmbox
->un
.varWords
[6],
2253 pmbox
->un
.varWords
[7]);
2256 pmb
->mbox_cmpl(phba
,pmb
);
2262 * lpfc_sli_get_buff - Get the buffer associated with the buffer tag
2263 * @phba: Pointer to HBA context object.
2264 * @pring: Pointer to driver SLI ring object.
2267 * This function is called with no lock held. When QUE_BUFTAG_BIT bit
2268 * is set in the tag the buffer is posted for a particular exchange,
2269 * the function will return the buffer without replacing the buffer.
2270 * If the buffer is for unsolicited ELS or CT traffic, this function
2271 * returns the buffer and also posts another buffer to the firmware.
2273 static struct lpfc_dmabuf
*
2274 lpfc_sli_get_buff(struct lpfc_hba
*phba
,
2275 struct lpfc_sli_ring
*pring
,
2278 struct hbq_dmabuf
*hbq_entry
;
2280 if (tag
& QUE_BUFTAG_BIT
)
2281 return lpfc_sli_ring_taggedbuf_get(phba
, pring
, tag
);
2282 hbq_entry
= lpfc_sli_hbqbuf_find(phba
, tag
);
2285 return &hbq_entry
->dbuf
;
2289 * lpfc_complete_unsol_iocb - Complete an unsolicited sequence
2290 * @phba: Pointer to HBA context object.
2291 * @pring: Pointer to driver SLI ring object.
2292 * @saveq: Pointer to the iocbq struct representing the sequence starting frame.
2293 * @fch_r_ctl: the r_ctl for the first frame of the sequence.
2294 * @fch_type: the type for the first frame of the sequence.
2296 * This function is called with no lock held. This function uses the r_ctl and
2297 * type of the received sequence to find the correct callback function to call
2298 * to process the sequence.
2301 lpfc_complete_unsol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2302 struct lpfc_iocbq
*saveq
, uint32_t fch_r_ctl
,
2307 /* unSolicited Responses */
2308 if (pring
->prt
[0].profile
) {
2309 if (pring
->prt
[0].lpfc_sli_rcv_unsol_event
)
2310 (pring
->prt
[0].lpfc_sli_rcv_unsol_event
) (phba
, pring
,
2314 /* We must search, based on rctl / type
2315 for the right routine */
2316 for (i
= 0; i
< pring
->num_mask
; i
++) {
2317 if ((pring
->prt
[i
].rctl
== fch_r_ctl
) &&
2318 (pring
->prt
[i
].type
== fch_type
)) {
2319 if (pring
->prt
[i
].lpfc_sli_rcv_unsol_event
)
2320 (pring
->prt
[i
].lpfc_sli_rcv_unsol_event
)
2321 (phba
, pring
, saveq
);
2329 * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler
2330 * @phba: Pointer to HBA context object.
2331 * @pring: Pointer to driver SLI ring object.
2332 * @saveq: Pointer to the unsolicited iocb.
2334 * This function is called with no lock held by the ring event handler
2335 * when there is an unsolicited iocb posted to the response ring by the
2336 * firmware. This function gets the buffer associated with the iocbs
2337 * and calls the event handler for the ring. This function handles both
2338 * qring buffers and hbq buffers.
2339 * When the function returns 1 the caller can free the iocb object otherwise
2340 * upper layer functions will free the iocb objects.
2343 lpfc_sli_process_unsol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2344 struct lpfc_iocbq
*saveq
)
2348 uint32_t Rctl
, Type
;
2350 struct lpfc_iocbq
*iocbq
;
2351 struct lpfc_dmabuf
*dmzbuf
;
2354 irsp
= &(saveq
->iocb
);
2356 if (irsp
->ulpCommand
== CMD_ASYNC_STATUS
) {
2357 if (pring
->lpfc_sli_rcv_async_status
)
2358 pring
->lpfc_sli_rcv_async_status(phba
, pring
, saveq
);
2360 lpfc_printf_log(phba
,
2363 "0316 Ring %d handler: unexpected "
2364 "ASYNC_STATUS iocb received evt_code "
2367 irsp
->un
.asyncstat
.evt_code
);
2371 if ((irsp
->ulpCommand
== CMD_IOCB_RET_XRI64_CX
) &&
2372 (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)) {
2373 if (irsp
->ulpBdeCount
> 0) {
2374 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2375 irsp
->un
.ulpWord
[3]);
2376 lpfc_in_buf_free(phba
, dmzbuf
);
2379 if (irsp
->ulpBdeCount
> 1) {
2380 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2381 irsp
->unsli3
.sli3Words
[3]);
2382 lpfc_in_buf_free(phba
, dmzbuf
);
2385 if (irsp
->ulpBdeCount
> 2) {
2386 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2387 irsp
->unsli3
.sli3Words
[7]);
2388 lpfc_in_buf_free(phba
, dmzbuf
);
2394 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
) {
2395 if (irsp
->ulpBdeCount
!= 0) {
2396 saveq
->context2
= lpfc_sli_get_buff(phba
, pring
,
2397 irsp
->un
.ulpWord
[3]);
2398 if (!saveq
->context2
)
2399 lpfc_printf_log(phba
,
2402 "0341 Ring %d Cannot find buffer for "
2403 "an unsolicited iocb. tag 0x%x\n",
2405 irsp
->un
.ulpWord
[3]);
2407 if (irsp
->ulpBdeCount
== 2) {
2408 saveq
->context3
= lpfc_sli_get_buff(phba
, pring
,
2409 irsp
->unsli3
.sli3Words
[7]);
2410 if (!saveq
->context3
)
2411 lpfc_printf_log(phba
,
2414 "0342 Ring %d Cannot find buffer for an"
2415 " unsolicited iocb. tag 0x%x\n",
2417 irsp
->unsli3
.sli3Words
[7]);
2419 list_for_each_entry(iocbq
, &saveq
->list
, list
) {
2420 irsp
= &(iocbq
->iocb
);
2421 if (irsp
->ulpBdeCount
!= 0) {
2422 iocbq
->context2
= lpfc_sli_get_buff(phba
, pring
,
2423 irsp
->un
.ulpWord
[3]);
2424 if (!iocbq
->context2
)
2425 lpfc_printf_log(phba
,
2428 "0343 Ring %d Cannot find "
2429 "buffer for an unsolicited iocb"
2430 ". tag 0x%x\n", pring
->ringno
,
2431 irsp
->un
.ulpWord
[3]);
2433 if (irsp
->ulpBdeCount
== 2) {
2434 iocbq
->context3
= lpfc_sli_get_buff(phba
, pring
,
2435 irsp
->unsli3
.sli3Words
[7]);
2436 if (!iocbq
->context3
)
2437 lpfc_printf_log(phba
,
2440 "0344 Ring %d Cannot find "
2441 "buffer for an unsolicited "
2444 irsp
->unsli3
.sli3Words
[7]);
2448 if (irsp
->ulpBdeCount
!= 0 &&
2449 (irsp
->ulpCommand
== CMD_IOCB_RCV_CONT64_CX
||
2450 irsp
->ulpStatus
== IOSTAT_INTERMED_RSP
)) {
2453 /* search continue save q for same XRI */
2454 list_for_each_entry(iocbq
, &pring
->iocb_continue_saveq
, clist
) {
2455 if (iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
==
2456 saveq
->iocb
.unsli3
.rcvsli3
.ox_id
) {
2457 list_add_tail(&saveq
->list
, &iocbq
->list
);
2463 list_add_tail(&saveq
->clist
,
2464 &pring
->iocb_continue_saveq
);
2465 if (saveq
->iocb
.ulpStatus
!= IOSTAT_INTERMED_RSP
) {
2466 list_del_init(&iocbq
->clist
);
2468 irsp
= &(saveq
->iocb
);
2472 if ((irsp
->ulpCommand
== CMD_RCV_ELS_REQ64_CX
) ||
2473 (irsp
->ulpCommand
== CMD_RCV_ELS_REQ_CX
) ||
2474 (irsp
->ulpCommand
== CMD_IOCB_RCV_ELS64_CX
)) {
2475 Rctl
= FC_RCTL_ELS_REQ
;
2478 w5p
= (WORD5
*)&(saveq
->iocb
.un
.ulpWord
[5]);
2479 Rctl
= w5p
->hcsw
.Rctl
;
2480 Type
= w5p
->hcsw
.Type
;
2482 /* Firmware Workaround */
2483 if ((Rctl
== 0) && (pring
->ringno
== LPFC_ELS_RING
) &&
2484 (irsp
->ulpCommand
== CMD_RCV_SEQUENCE64_CX
||
2485 irsp
->ulpCommand
== CMD_IOCB_RCV_SEQ64_CX
)) {
2486 Rctl
= FC_RCTL_ELS_REQ
;
2488 w5p
->hcsw
.Rctl
= Rctl
;
2489 w5p
->hcsw
.Type
= Type
;
2493 if (!lpfc_complete_unsol_iocb(phba
, pring
, saveq
, Rctl
, Type
))
2494 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
2495 "0313 Ring %d handler: unexpected Rctl x%x "
2496 "Type x%x received\n",
2497 pring
->ringno
, Rctl
, Type
);
2503 * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb
2504 * @phba: Pointer to HBA context object.
2505 * @pring: Pointer to driver SLI ring object.
2506 * @prspiocb: Pointer to response iocb object.
2508 * This function looks up the iocb_lookup table to get the command iocb
2509 * corresponding to the given response iocb using the iotag of the
2510 * response iocb. This function is called with the hbalock held.
2511 * This function returns the command iocb object if it finds the command
2512 * iocb else returns NULL.
2514 static struct lpfc_iocbq
*
2515 lpfc_sli_iocbq_lookup(struct lpfc_hba
*phba
,
2516 struct lpfc_sli_ring
*pring
,
2517 struct lpfc_iocbq
*prspiocb
)
2519 struct lpfc_iocbq
*cmd_iocb
= NULL
;
2522 iotag
= prspiocb
->iocb
.ulpIoTag
;
2524 if (iotag
!= 0 && iotag
<= phba
->sli
.last_iotag
) {
2525 cmd_iocb
= phba
->sli
.iocbq_lookup
[iotag
];
2526 list_del_init(&cmd_iocb
->list
);
2527 if (cmd_iocb
->iocb_flag
& LPFC_IO_ON_Q
) {
2528 pring
->txcmplq_cnt
--;
2529 cmd_iocb
->iocb_flag
&= ~LPFC_IO_ON_Q
;
2534 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2535 "0317 iotag x%x is out off "
2536 "range: max iotag x%x wd0 x%x\n",
2537 iotag
, phba
->sli
.last_iotag
,
2538 *(((uint32_t *) &prspiocb
->iocb
) + 7));
2543 * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag
2544 * @phba: Pointer to HBA context object.
2545 * @pring: Pointer to driver SLI ring object.
2548 * This function looks up the iocb_lookup table to get the command iocb
2549 * corresponding to the given iotag. This function is called with the
2551 * This function returns the command iocb object if it finds the command
2552 * iocb else returns NULL.
2554 static struct lpfc_iocbq
*
2555 lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba
*phba
,
2556 struct lpfc_sli_ring
*pring
, uint16_t iotag
)
2558 struct lpfc_iocbq
*cmd_iocb
;
2560 if (iotag
!= 0 && iotag
<= phba
->sli
.last_iotag
) {
2561 cmd_iocb
= phba
->sli
.iocbq_lookup
[iotag
];
2562 list_del_init(&cmd_iocb
->list
);
2563 if (cmd_iocb
->iocb_flag
& LPFC_IO_ON_Q
) {
2564 cmd_iocb
->iocb_flag
&= ~LPFC_IO_ON_Q
;
2565 pring
->txcmplq_cnt
--;
2570 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2571 "0372 iotag x%x is out off range: max iotag (x%x)\n",
2572 iotag
, phba
->sli
.last_iotag
);
2577 * lpfc_sli_process_sol_iocb - process solicited iocb completion
2578 * @phba: Pointer to HBA context object.
2579 * @pring: Pointer to driver SLI ring object.
2580 * @saveq: Pointer to the response iocb to be processed.
2582 * This function is called by the ring event handler for non-fcp
2583 * rings when there is a new response iocb in the response ring.
2584 * The caller is not required to hold any locks. This function
2585 * gets the command iocb associated with the response iocb and
2586 * calls the completion handler for the command iocb. If there
2587 * is no completion handler, the function will free the resources
2588 * associated with command iocb. If the response iocb is for
2589 * an already aborted command iocb, the status of the completion
2590 * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED.
2591 * This function always returns 1.
2594 lpfc_sli_process_sol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2595 struct lpfc_iocbq
*saveq
)
2597 struct lpfc_iocbq
*cmdiocbp
;
2599 unsigned long iflag
;
2601 /* Based on the iotag field, get the cmd IOCB from the txcmplq */
2602 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2603 cmdiocbp
= lpfc_sli_iocbq_lookup(phba
, pring
, saveq
);
2604 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2607 if (cmdiocbp
->iocb_cmpl
) {
2609 * If an ELS command failed send an event to mgmt
2612 if (saveq
->iocb
.ulpStatus
&&
2613 (pring
->ringno
== LPFC_ELS_RING
) &&
2614 (cmdiocbp
->iocb
.ulpCommand
==
2615 CMD_ELS_REQUEST64_CR
))
2616 lpfc_send_els_failure_event(phba
,
2620 * Post all ELS completions to the worker thread.
2621 * All other are passed to the completion callback.
2623 if (pring
->ringno
== LPFC_ELS_RING
) {
2624 if ((phba
->sli_rev
< LPFC_SLI_REV4
) &&
2625 (cmdiocbp
->iocb_flag
&
2626 LPFC_DRIVER_ABORTED
)) {
2627 spin_lock_irqsave(&phba
->hbalock
,
2629 cmdiocbp
->iocb_flag
&=
2630 ~LPFC_DRIVER_ABORTED
;
2631 spin_unlock_irqrestore(&phba
->hbalock
,
2633 saveq
->iocb
.ulpStatus
=
2634 IOSTAT_LOCAL_REJECT
;
2635 saveq
->iocb
.un
.ulpWord
[4] =
2638 /* Firmware could still be in progress
2639 * of DMAing payload, so don't free data
2640 * buffer till after a hbeat.
2642 spin_lock_irqsave(&phba
->hbalock
,
2644 saveq
->iocb_flag
|= LPFC_DELAY_MEM_FREE
;
2645 spin_unlock_irqrestore(&phba
->hbalock
,
2648 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2649 if (saveq
->iocb_flag
&
2650 LPFC_EXCHANGE_BUSY
) {
2651 /* Set cmdiocb flag for the
2652 * exchange busy so sgl (xri)
2653 * will not be released until
2654 * the abort xri is received
2658 &phba
->hbalock
, iflag
);
2659 cmdiocbp
->iocb_flag
|=
2661 spin_unlock_irqrestore(
2662 &phba
->hbalock
, iflag
);
2664 if (cmdiocbp
->iocb_flag
&
2665 LPFC_DRIVER_ABORTED
) {
2667 * Clear LPFC_DRIVER_ABORTED
2668 * bit in case it was driver
2672 &phba
->hbalock
, iflag
);
2673 cmdiocbp
->iocb_flag
&=
2674 ~LPFC_DRIVER_ABORTED
;
2675 spin_unlock_irqrestore(
2676 &phba
->hbalock
, iflag
);
2677 cmdiocbp
->iocb
.ulpStatus
=
2678 IOSTAT_LOCAL_REJECT
;
2679 cmdiocbp
->iocb
.un
.ulpWord
[4] =
2680 IOERR_ABORT_REQUESTED
;
2682 * For SLI4, irsiocb contains
2683 * NO_XRI in sli_xritag, it
2684 * shall not affect releasing
2685 * sgl (xri) process.
2687 saveq
->iocb
.ulpStatus
=
2688 IOSTAT_LOCAL_REJECT
;
2689 saveq
->iocb
.un
.ulpWord
[4] =
2692 &phba
->hbalock
, iflag
);
2694 LPFC_DELAY_MEM_FREE
;
2695 spin_unlock_irqrestore(
2696 &phba
->hbalock
, iflag
);
2700 (cmdiocbp
->iocb_cmpl
) (phba
, cmdiocbp
, saveq
);
2702 lpfc_sli_release_iocbq(phba
, cmdiocbp
);
2705 * Unknown initiating command based on the response iotag.
2706 * This could be the case on the ELS ring because of
2709 if (pring
->ringno
!= LPFC_ELS_RING
) {
2711 * Ring <ringno> handler: unexpected completion IoTag
2714 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
2715 "0322 Ring %d handler: "
2716 "unexpected completion IoTag x%x "
2717 "Data: x%x x%x x%x x%x\n",
2719 saveq
->iocb
.ulpIoTag
,
2720 saveq
->iocb
.ulpStatus
,
2721 saveq
->iocb
.un
.ulpWord
[4],
2722 saveq
->iocb
.ulpCommand
,
2723 saveq
->iocb
.ulpContext
);
2731 * lpfc_sli_rsp_pointers_error - Response ring pointer error handler
2732 * @phba: Pointer to HBA context object.
2733 * @pring: Pointer to driver SLI ring object.
2735 * This function is called from the iocb ring event handlers when
2736 * put pointer is ahead of the get pointer for a ring. This function signal
2737 * an error attention condition to the worker thread and the worker
2738 * thread will transition the HBA to offline state.
2741 lpfc_sli_rsp_pointers_error(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
2743 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
2745 * Ring <ringno> handler: portRspPut <portRspPut> is bigger than
2746 * rsp ring <portRspMax>
2748 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2749 "0312 Ring %d handler: portRspPut %d "
2750 "is bigger than rsp ring %d\n",
2751 pring
->ringno
, le32_to_cpu(pgp
->rspPutInx
),
2754 phba
->link_state
= LPFC_HBA_ERROR
;
2757 * All error attention handlers are posted to
2760 phba
->work_ha
|= HA_ERATT
;
2761 phba
->work_hs
= HS_FFER3
;
2763 lpfc_worker_wake_up(phba
);
2769 * lpfc_poll_eratt - Error attention polling timer timeout handler
2770 * @ptr: Pointer to address of HBA context object.
2772 * This function is invoked by the Error Attention polling timer when the
2773 * timer times out. It will check the SLI Error Attention register for
2774 * possible attention events. If so, it will post an Error Attention event
2775 * and wake up worker thread to process it. Otherwise, it will set up the
2776 * Error Attention polling timer for the next poll.
2778 void lpfc_poll_eratt(unsigned long ptr
)
2780 struct lpfc_hba
*phba
;
2783 phba
= (struct lpfc_hba
*)ptr
;
2785 /* Check chip HA register for error event */
2786 eratt
= lpfc_sli_check_eratt(phba
);
2789 /* Tell the worker thread there is work to do */
2790 lpfc_worker_wake_up(phba
);
2792 /* Restart the timer for next eratt poll */
2793 mod_timer(&phba
->eratt_poll
, jiffies
+
2794 HZ
* LPFC_ERATT_POLL_INTERVAL
);
2800 * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring
2801 * @phba: Pointer to HBA context object.
2802 * @pring: Pointer to driver SLI ring object.
2803 * @mask: Host attention register mask for this ring.
2805 * This function is called from the interrupt context when there is a ring
2806 * event for the fcp ring. The caller does not hold any lock.
2807 * The function processes each response iocb in the response ring until it
2808 * finds an iocb with LE bit set and chains all the iocbs up to the iocb with
2809 * LE bit set. The function will call the completion handler of the command iocb
2810 * if the response iocb indicates a completion for a command iocb or it is
2811 * an abort completion. The function will call lpfc_sli_process_unsol_iocb
2812 * function if this is an unsolicited iocb.
2813 * This routine presumes LPFC_FCP_RING handling and doesn't bother
2814 * to check it explicitly.
2817 lpfc_sli_handle_fast_ring_event(struct lpfc_hba
*phba
,
2818 struct lpfc_sli_ring
*pring
, uint32_t mask
)
2820 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
2821 IOCB_t
*irsp
= NULL
;
2822 IOCB_t
*entry
= NULL
;
2823 struct lpfc_iocbq
*cmdiocbq
= NULL
;
2824 struct lpfc_iocbq rspiocbq
;
2826 uint32_t portRspPut
, portRspMax
;
2828 lpfc_iocb_type type
;
2829 unsigned long iflag
;
2830 uint32_t rsp_cmpl
= 0;
2832 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2833 pring
->stats
.iocb_event
++;
2836 * The next available response entry should never exceed the maximum
2837 * entries. If it does, treat it as an adapter hardware error.
2839 portRspMax
= pring
->numRiocb
;
2840 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
2841 if (unlikely(portRspPut
>= portRspMax
)) {
2842 lpfc_sli_rsp_pointers_error(phba
, pring
);
2843 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2846 if (phba
->fcp_ring_in_use
) {
2847 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2850 phba
->fcp_ring_in_use
= 1;
2853 while (pring
->rspidx
!= portRspPut
) {
2855 * Fetch an entry off the ring and copy it into a local data
2856 * structure. The copy involves a byte-swap since the
2857 * network byte order and pci byte orders are different.
2859 entry
= lpfc_resp_iocb(phba
, pring
);
2860 phba
->last_completion_time
= jiffies
;
2862 if (++pring
->rspidx
>= portRspMax
)
2865 lpfc_sli_pcimem_bcopy((uint32_t *) entry
,
2866 (uint32_t *) &rspiocbq
.iocb
,
2867 phba
->iocb_rsp_size
);
2868 INIT_LIST_HEAD(&(rspiocbq
.list
));
2869 irsp
= &rspiocbq
.iocb
;
2871 type
= lpfc_sli_iocb_cmd_type(irsp
->ulpCommand
& CMD_IOCB_MASK
);
2872 pring
->stats
.iocb_rsp
++;
2875 if (unlikely(irsp
->ulpStatus
)) {
2877 * If resource errors reported from HBA, reduce
2878 * queuedepths of the SCSI device.
2880 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
2881 (irsp
->un
.ulpWord
[4] == IOERR_NO_RESOURCES
)) {
2882 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2883 phba
->lpfc_rampdown_queue_depth(phba
);
2884 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2887 /* Rsp ring <ringno> error: IOCB */
2888 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
2889 "0336 Rsp Ring %d error: IOCB Data: "
2890 "x%x x%x x%x x%x x%x x%x x%x x%x\n",
2892 irsp
->un
.ulpWord
[0],
2893 irsp
->un
.ulpWord
[1],
2894 irsp
->un
.ulpWord
[2],
2895 irsp
->un
.ulpWord
[3],
2896 irsp
->un
.ulpWord
[4],
2897 irsp
->un
.ulpWord
[5],
2898 *(uint32_t *)&irsp
->un1
,
2899 *((uint32_t *)&irsp
->un1
+ 1));
2903 case LPFC_ABORT_IOCB
:
2906 * Idle exchange closed via ABTS from port. No iocb
2907 * resources need to be recovered.
2909 if (unlikely(irsp
->ulpCommand
== CMD_XRI_ABORTED_CX
)) {
2910 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2911 "0333 IOCB cmd 0x%x"
2912 " processed. Skipping"
2918 cmdiocbq
= lpfc_sli_iocbq_lookup(phba
, pring
,
2920 if (unlikely(!cmdiocbq
))
2922 if (cmdiocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
)
2923 cmdiocbq
->iocb_flag
&= ~LPFC_DRIVER_ABORTED
;
2924 if (cmdiocbq
->iocb_cmpl
) {
2925 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2926 (cmdiocbq
->iocb_cmpl
)(phba
, cmdiocbq
,
2928 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2931 case LPFC_UNSOL_IOCB
:
2932 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2933 lpfc_sli_process_unsol_iocb(phba
, pring
, &rspiocbq
);
2934 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2937 if (irsp
->ulpCommand
== CMD_ADAPTER_MSG
) {
2938 char adaptermsg
[LPFC_MAX_ADPTMSG
];
2939 memset(adaptermsg
, 0, LPFC_MAX_ADPTMSG
);
2940 memcpy(&adaptermsg
[0], (uint8_t *) irsp
,
2942 dev_warn(&((phba
->pcidev
)->dev
),
2944 phba
->brd_no
, adaptermsg
);
2946 /* Unknown IOCB command */
2947 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2948 "0334 Unknown IOCB command "
2949 "Data: x%x, x%x x%x x%x x%x\n",
2950 type
, irsp
->ulpCommand
,
2959 * The response IOCB has been processed. Update the ring
2960 * pointer in SLIM. If the port response put pointer has not
2961 * been updated, sync the pgp->rspPutInx and fetch the new port
2962 * response put pointer.
2964 writel(pring
->rspidx
, &phba
->host_gp
[pring
->ringno
].rspGetInx
);
2966 if (pring
->rspidx
== portRspPut
)
2967 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
2970 if ((rsp_cmpl
> 0) && (mask
& HA_R0RE_REQ
)) {
2971 pring
->stats
.iocb_rsp_full
++;
2972 status
= ((CA_R0ATT
| CA_R0RE_RSP
) << (pring
->ringno
* 4));
2973 writel(status
, phba
->CAregaddr
);
2974 readl(phba
->CAregaddr
);
2976 if ((mask
& HA_R0CE_RSP
) && (pring
->flag
& LPFC_CALL_RING_AVAILABLE
)) {
2977 pring
->flag
&= ~LPFC_CALL_RING_AVAILABLE
;
2978 pring
->stats
.iocb_cmd_empty
++;
2980 /* Force update of the local copy of cmdGetInx */
2981 pring
->local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
2982 lpfc_sli_resume_iocb(phba
, pring
);
2984 if ((pring
->lpfc_sli_cmd_available
))
2985 (pring
->lpfc_sli_cmd_available
) (phba
, pring
);
2989 phba
->fcp_ring_in_use
= 0;
2990 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2995 * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb
2996 * @phba: Pointer to HBA context object.
2997 * @pring: Pointer to driver SLI ring object.
2998 * @rspiocbp: Pointer to driver response IOCB object.
3000 * This function is called from the worker thread when there is a slow-path
3001 * response IOCB to process. This function chains all the response iocbs until
3002 * seeing the iocb with the LE bit set. The function will call
3003 * lpfc_sli_process_sol_iocb function if the response iocb indicates a
3004 * completion of a command iocb. The function will call the
3005 * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb.
3006 * The function frees the resources or calls the completion handler if this
3007 * iocb is an abort completion. The function returns NULL when the response
3008 * iocb has the LE bit set and all the chained iocbs are processed, otherwise
3009 * this function shall chain the iocb on to the iocb_continueq and return the
3010 * response iocb passed in.
3012 static struct lpfc_iocbq
*
3013 lpfc_sli_sp_handle_rspiocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
3014 struct lpfc_iocbq
*rspiocbp
)
3016 struct lpfc_iocbq
*saveq
;
3017 struct lpfc_iocbq
*cmdiocbp
;
3018 struct lpfc_iocbq
*next_iocb
;
3019 IOCB_t
*irsp
= NULL
;
3020 uint32_t free_saveq
;
3021 uint8_t iocb_cmd_type
;
3022 lpfc_iocb_type type
;
3023 unsigned long iflag
;
3026 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3027 /* First add the response iocb to the countinueq list */
3028 list_add_tail(&rspiocbp
->list
, &(pring
->iocb_continueq
));
3029 pring
->iocb_continueq_cnt
++;
3031 /* Now, determine whether the list is completed for processing */
3032 irsp
= &rspiocbp
->iocb
;
3035 * By default, the driver expects to free all resources
3036 * associated with this iocb completion.
3039 saveq
= list_get_first(&pring
->iocb_continueq
,
3040 struct lpfc_iocbq
, list
);
3041 irsp
= &(saveq
->iocb
);
3042 list_del_init(&pring
->iocb_continueq
);
3043 pring
->iocb_continueq_cnt
= 0;
3045 pring
->stats
.iocb_rsp
++;
3048 * If resource errors reported from HBA, reduce
3049 * queuedepths of the SCSI device.
3051 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
3052 (irsp
->un
.ulpWord
[4] == IOERR_NO_RESOURCES
)) {
3053 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3054 phba
->lpfc_rampdown_queue_depth(phba
);
3055 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3058 if (irsp
->ulpStatus
) {
3059 /* Rsp ring <ringno> error: IOCB */
3060 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
3061 "0328 Rsp Ring %d error: "
3066 "x%x x%x x%x x%x\n",
3068 irsp
->un
.ulpWord
[0],
3069 irsp
->un
.ulpWord
[1],
3070 irsp
->un
.ulpWord
[2],
3071 irsp
->un
.ulpWord
[3],
3072 irsp
->un
.ulpWord
[4],
3073 irsp
->un
.ulpWord
[5],
3074 *(((uint32_t *) irsp
) + 6),
3075 *(((uint32_t *) irsp
) + 7),
3076 *(((uint32_t *) irsp
) + 8),
3077 *(((uint32_t *) irsp
) + 9),
3078 *(((uint32_t *) irsp
) + 10),
3079 *(((uint32_t *) irsp
) + 11),
3080 *(((uint32_t *) irsp
) + 12),
3081 *(((uint32_t *) irsp
) + 13),
3082 *(((uint32_t *) irsp
) + 14),
3083 *(((uint32_t *) irsp
) + 15));
3087 * Fetch the IOCB command type and call the correct completion
3088 * routine. Solicited and Unsolicited IOCBs on the ELS ring
3089 * get freed back to the lpfc_iocb_list by the discovery
3092 iocb_cmd_type
= irsp
->ulpCommand
& CMD_IOCB_MASK
;
3093 type
= lpfc_sli_iocb_cmd_type(iocb_cmd_type
);
3096 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3097 rc
= lpfc_sli_process_sol_iocb(phba
, pring
, saveq
);
3098 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3101 case LPFC_UNSOL_IOCB
:
3102 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3103 rc
= lpfc_sli_process_unsol_iocb(phba
, pring
, saveq
);
3104 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3109 case LPFC_ABORT_IOCB
:
3111 if (irsp
->ulpCommand
!= CMD_XRI_ABORTED_CX
)
3112 cmdiocbp
= lpfc_sli_iocbq_lookup(phba
, pring
,
3115 /* Call the specified completion routine */
3116 if (cmdiocbp
->iocb_cmpl
) {
3117 spin_unlock_irqrestore(&phba
->hbalock
,
3119 (cmdiocbp
->iocb_cmpl
)(phba
, cmdiocbp
,
3121 spin_lock_irqsave(&phba
->hbalock
,
3124 __lpfc_sli_release_iocbq(phba
,
3129 case LPFC_UNKNOWN_IOCB
:
3130 if (irsp
->ulpCommand
== CMD_ADAPTER_MSG
) {
3131 char adaptermsg
[LPFC_MAX_ADPTMSG
];
3132 memset(adaptermsg
, 0, LPFC_MAX_ADPTMSG
);
3133 memcpy(&adaptermsg
[0], (uint8_t *)irsp
,
3135 dev_warn(&((phba
->pcidev
)->dev
),
3137 phba
->brd_no
, adaptermsg
);
3139 /* Unknown IOCB command */
3140 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3141 "0335 Unknown IOCB "
3142 "command Data: x%x "
3153 list_for_each_entry_safe(rspiocbp
, next_iocb
,
3154 &saveq
->list
, list
) {
3155 list_del(&rspiocbp
->list
);
3156 __lpfc_sli_release_iocbq(phba
, rspiocbp
);
3158 __lpfc_sli_release_iocbq(phba
, saveq
);
3162 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3167 * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs
3168 * @phba: Pointer to HBA context object.
3169 * @pring: Pointer to driver SLI ring object.
3170 * @mask: Host attention register mask for this ring.
3172 * This routine wraps the actual slow_ring event process routine from the
3173 * API jump table function pointer from the lpfc_hba struct.
3176 lpfc_sli_handle_slow_ring_event(struct lpfc_hba
*phba
,
3177 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3179 phba
->lpfc_sli_handle_slow_ring_event(phba
, pring
, mask
);
3183 * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings
3184 * @phba: Pointer to HBA context object.
3185 * @pring: Pointer to driver SLI ring object.
3186 * @mask: Host attention register mask for this ring.
3188 * This function is called from the worker thread when there is a ring event
3189 * for non-fcp rings. The caller does not hold any lock. The function will
3190 * remove each response iocb in the response ring and calls the handle
3191 * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it.
3194 lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba
*phba
,
3195 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3197 struct lpfc_pgp
*pgp
;
3199 IOCB_t
*irsp
= NULL
;
3200 struct lpfc_iocbq
*rspiocbp
= NULL
;
3201 uint32_t portRspPut
, portRspMax
;
3202 unsigned long iflag
;
3205 pgp
= &phba
->port_gp
[pring
->ringno
];
3206 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3207 pring
->stats
.iocb_event
++;
3210 * The next available response entry should never exceed the maximum
3211 * entries. If it does, treat it as an adapter hardware error.
3213 portRspMax
= pring
->numRiocb
;
3214 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3215 if (portRspPut
>= portRspMax
) {
3217 * Ring <ringno> handler: portRspPut <portRspPut> is bigger than
3218 * rsp ring <portRspMax>
3220 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3221 "0303 Ring %d handler: portRspPut %d "
3222 "is bigger than rsp ring %d\n",
3223 pring
->ringno
, portRspPut
, portRspMax
);
3225 phba
->link_state
= LPFC_HBA_ERROR
;
3226 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3228 phba
->work_hs
= HS_FFER3
;
3229 lpfc_handle_eratt(phba
);
3235 while (pring
->rspidx
!= portRspPut
) {
3237 * Build a completion list and call the appropriate handler.
3238 * The process is to get the next available response iocb, get
3239 * a free iocb from the list, copy the response data into the
3240 * free iocb, insert to the continuation list, and update the
3241 * next response index to slim. This process makes response
3242 * iocb's in the ring available to DMA as fast as possible but
3243 * pays a penalty for a copy operation. Since the iocb is
3244 * only 32 bytes, this penalty is considered small relative to
3245 * the PCI reads for register values and a slim write. When
3246 * the ulpLe field is set, the entire Command has been
3249 entry
= lpfc_resp_iocb(phba
, pring
);
3251 phba
->last_completion_time
= jiffies
;
3252 rspiocbp
= __lpfc_sli_get_iocbq(phba
);
3253 if (rspiocbp
== NULL
) {
3254 printk(KERN_ERR
"%s: out of buffers! Failing "
3255 "completion.\n", __func__
);
3259 lpfc_sli_pcimem_bcopy(entry
, &rspiocbp
->iocb
,
3260 phba
->iocb_rsp_size
);
3261 irsp
= &rspiocbp
->iocb
;
3263 if (++pring
->rspidx
>= portRspMax
)
3266 if (pring
->ringno
== LPFC_ELS_RING
) {
3267 lpfc_debugfs_slow_ring_trc(phba
,
3268 "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x",
3269 *(((uint32_t *) irsp
) + 4),
3270 *(((uint32_t *) irsp
) + 6),
3271 *(((uint32_t *) irsp
) + 7));
3274 writel(pring
->rspidx
, &phba
->host_gp
[pring
->ringno
].rspGetInx
);
3276 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3277 /* Handle the response IOCB */
3278 rspiocbp
= lpfc_sli_sp_handle_rspiocb(phba
, pring
, rspiocbp
);
3279 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3282 * If the port response put pointer has not been updated, sync
3283 * the pgp->rspPutInx in the MAILBOX_tand fetch the new port
3284 * response put pointer.
3286 if (pring
->rspidx
== portRspPut
) {
3287 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3289 } /* while (pring->rspidx != portRspPut) */
3291 if ((rspiocbp
!= NULL
) && (mask
& HA_R0RE_REQ
)) {
3292 /* At least one response entry has been freed */
3293 pring
->stats
.iocb_rsp_full
++;
3294 /* SET RxRE_RSP in Chip Att register */
3295 status
= ((CA_R0ATT
| CA_R0RE_RSP
) << (pring
->ringno
* 4));
3296 writel(status
, phba
->CAregaddr
);
3297 readl(phba
->CAregaddr
); /* flush */
3299 if ((mask
& HA_R0CE_RSP
) && (pring
->flag
& LPFC_CALL_RING_AVAILABLE
)) {
3300 pring
->flag
&= ~LPFC_CALL_RING_AVAILABLE
;
3301 pring
->stats
.iocb_cmd_empty
++;
3303 /* Force update of the local copy of cmdGetInx */
3304 pring
->local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
3305 lpfc_sli_resume_iocb(phba
, pring
);
3307 if ((pring
->lpfc_sli_cmd_available
))
3308 (pring
->lpfc_sli_cmd_available
) (phba
, pring
);
3312 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3317 * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events
3318 * @phba: Pointer to HBA context object.
3319 * @pring: Pointer to driver SLI ring object.
3320 * @mask: Host attention register mask for this ring.
3322 * This function is called from the worker thread when there is a pending
3323 * ELS response iocb on the driver internal slow-path response iocb worker
3324 * queue. The caller does not hold any lock. The function will remove each
3325 * response iocb from the response worker queue and calls the handle
3326 * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it.
3329 lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba
*phba
,
3330 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3332 struct lpfc_iocbq
*irspiocbq
;
3333 struct hbq_dmabuf
*dmabuf
;
3334 struct lpfc_cq_event
*cq_event
;
3335 unsigned long iflag
;
3337 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3338 phba
->hba_flag
&= ~HBA_SP_QUEUE_EVT
;
3339 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3340 while (!list_empty(&phba
->sli4_hba
.sp_queue_event
)) {
3341 /* Get the response iocb from the head of work queue */
3342 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3343 list_remove_head(&phba
->sli4_hba
.sp_queue_event
,
3344 cq_event
, struct lpfc_cq_event
, list
);
3345 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3347 switch (bf_get(lpfc_wcqe_c_code
, &cq_event
->cqe
.wcqe_cmpl
)) {
3348 case CQE_CODE_COMPL_WQE
:
3349 irspiocbq
= container_of(cq_event
, struct lpfc_iocbq
,
3351 /* Translate ELS WCQE to response IOCBQ */
3352 irspiocbq
= lpfc_sli4_els_wcqe_to_rspiocbq(phba
,
3355 lpfc_sli_sp_handle_rspiocb(phba
, pring
,
3358 case CQE_CODE_RECEIVE
:
3359 case CQE_CODE_RECEIVE_V1
:
3360 dmabuf
= container_of(cq_event
, struct hbq_dmabuf
,
3362 lpfc_sli4_handle_received_buffer(phba
, dmabuf
);
3371 * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring
3372 * @phba: Pointer to HBA context object.
3373 * @pring: Pointer to driver SLI ring object.
3375 * This function aborts all iocbs in the given ring and frees all the iocb
3376 * objects in txq. This function issues an abort iocb for all the iocb commands
3377 * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
3378 * the return of this function. The caller is not required to hold any locks.
3381 lpfc_sli_abort_iocb_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
3383 LIST_HEAD(completions
);
3384 struct lpfc_iocbq
*iocb
, *next_iocb
;
3386 if (pring
->ringno
== LPFC_ELS_RING
) {
3387 lpfc_fabric_abort_hba(phba
);
3390 /* Error everything on txq and txcmplq
3393 spin_lock_irq(&phba
->hbalock
);
3394 list_splice_init(&pring
->txq
, &completions
);
3397 /* Next issue ABTS for everything on the txcmplq */
3398 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
)
3399 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
3401 spin_unlock_irq(&phba
->hbalock
);
3403 /* Cancel all the IOCBs from the completions list */
3404 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
3409 * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring
3410 * @phba: Pointer to HBA context object.
3412 * This function flushes all iocbs in the fcp ring and frees all the iocb
3413 * objects in txq and txcmplq. This function will not issue abort iocbs
3414 * for all the iocb commands in txcmplq, they will just be returned with
3415 * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI
3416 * slot has been permanently disabled.
3419 lpfc_sli_flush_fcp_rings(struct lpfc_hba
*phba
)
3423 struct lpfc_sli
*psli
= &phba
->sli
;
3424 struct lpfc_sli_ring
*pring
;
3426 /* Currently, only one fcp ring */
3427 pring
= &psli
->ring
[psli
->fcp_ring
];
3429 spin_lock_irq(&phba
->hbalock
);
3430 /* Retrieve everything on txq */
3431 list_splice_init(&pring
->txq
, &txq
);
3434 /* Retrieve everything on the txcmplq */
3435 list_splice_init(&pring
->txcmplq
, &txcmplq
);
3436 pring
->txcmplq_cnt
= 0;
3437 spin_unlock_irq(&phba
->hbalock
);
3440 lpfc_sli_cancel_iocbs(phba
, &txq
, IOSTAT_LOCAL_REJECT
,
3443 /* Flush the txcmpq */
3444 lpfc_sli_cancel_iocbs(phba
, &txcmplq
, IOSTAT_LOCAL_REJECT
,
3449 * lpfc_sli_brdready_s3 - Check for sli3 host ready status
3450 * @phba: Pointer to HBA context object.
3451 * @mask: Bit mask to be checked.
3453 * This function reads the host status register and compares
3454 * with the provided bit mask to check if HBA completed
3455 * the restart. This function will wait in a loop for the
3456 * HBA to complete restart. If the HBA does not restart within
3457 * 15 iterations, the function will reset the HBA again. The
3458 * function returns 1 when HBA fail to restart otherwise returns
3462 lpfc_sli_brdready_s3(struct lpfc_hba
*phba
, uint32_t mask
)
3468 /* Read the HBA Host Status Register */
3469 if (lpfc_readl(phba
->HSregaddr
, &status
))
3473 * Check status register every 100ms for 5 retries, then every
3474 * 500ms for 5, then every 2.5 sec for 5, then reset board and
3475 * every 2.5 sec for 4.
3476 * Break our of the loop if errors occurred during init.
3478 while (((status
& mask
) != mask
) &&
3479 !(status
& HS_FFERM
) &&
3491 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
3492 lpfc_sli_brdrestart(phba
);
3494 /* Read the HBA Host Status Register */
3495 if (lpfc_readl(phba
->HSregaddr
, &status
)) {
3501 /* Check to see if any errors occurred during init */
3502 if ((status
& HS_FFERM
) || (i
>= 20)) {
3503 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3504 "2751 Adapter failed to restart, "
3505 "status reg x%x, FW Data: A8 x%x AC x%x\n",
3507 readl(phba
->MBslimaddr
+ 0xa8),
3508 readl(phba
->MBslimaddr
+ 0xac));
3509 phba
->link_state
= LPFC_HBA_ERROR
;
3517 * lpfc_sli_brdready_s4 - Check for sli4 host ready status
3518 * @phba: Pointer to HBA context object.
3519 * @mask: Bit mask to be checked.
3521 * This function checks the host status register to check if HBA is
3522 * ready. This function will wait in a loop for the HBA to be ready
3523 * If the HBA is not ready , the function will will reset the HBA PCI
3524 * function again. The function returns 1 when HBA fail to be ready
3525 * otherwise returns zero.
3528 lpfc_sli_brdready_s4(struct lpfc_hba
*phba
, uint32_t mask
)
3533 /* Read the HBA Host Status Register */
3534 status
= lpfc_sli4_post_status_check(phba
);
3537 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
3538 lpfc_sli_brdrestart(phba
);
3539 status
= lpfc_sli4_post_status_check(phba
);
3542 /* Check to see if any errors occurred during init */
3544 phba
->link_state
= LPFC_HBA_ERROR
;
3547 phba
->sli4_hba
.intr_enable
= 0;
3553 * lpfc_sli_brdready - Wrapper func for checking the hba readyness
3554 * @phba: Pointer to HBA context object.
3555 * @mask: Bit mask to be checked.
3557 * This routine wraps the actual SLI3 or SLI4 hba readyness check routine
3558 * from the API jump table function pointer from the lpfc_hba struct.
3561 lpfc_sli_brdready(struct lpfc_hba
*phba
, uint32_t mask
)
3563 return phba
->lpfc_sli_brdready(phba
, mask
);
3566 #define BARRIER_TEST_PATTERN (0xdeadbeef)
3569 * lpfc_reset_barrier - Make HBA ready for HBA reset
3570 * @phba: Pointer to HBA context object.
3572 * This function is called before resetting an HBA. This
3573 * function requests HBA to quiesce DMAs before a reset.
3575 void lpfc_reset_barrier(struct lpfc_hba
*phba
)
3577 uint32_t __iomem
*resp_buf
;
3578 uint32_t __iomem
*mbox_buf
;
3579 volatile uint32_t mbox
;
3580 uint32_t hc_copy
, ha_copy
, resp_data
;
3584 pci_read_config_byte(phba
->pcidev
, PCI_HEADER_TYPE
, &hdrtype
);
3585 if (hdrtype
!= 0x80 ||
3586 (FC_JEDEC_ID(phba
->vpd
.rev
.biuRev
) != HELIOS_JEDEC_ID
&&
3587 FC_JEDEC_ID(phba
->vpd
.rev
.biuRev
) != THOR_JEDEC_ID
))
3591 * Tell the other part of the chip to suspend temporarily all
3594 resp_buf
= phba
->MBslimaddr
;
3596 /* Disable the error attention */
3597 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
))
3599 writel((hc_copy
& ~HC_ERINT_ENA
), phba
->HCregaddr
);
3600 readl(phba
->HCregaddr
); /* flush */
3601 phba
->link_flag
|= LS_IGNORE_ERATT
;
3603 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
3605 if (ha_copy
& HA_ERATT
) {
3606 /* Clear Chip error bit */
3607 writel(HA_ERATT
, phba
->HAregaddr
);
3608 phba
->pport
->stopped
= 1;
3612 ((MAILBOX_t
*)&mbox
)->mbxCommand
= MBX_KILL_BOARD
;
3613 ((MAILBOX_t
*)&mbox
)->mbxOwner
= OWN_CHIP
;
3615 writel(BARRIER_TEST_PATTERN
, (resp_buf
+ 1));
3616 mbox_buf
= phba
->MBslimaddr
;
3617 writel(mbox
, mbox_buf
);
3619 for (i
= 0; i
< 50; i
++) {
3620 if (lpfc_readl((resp_buf
+ 1), &resp_data
))
3622 if (resp_data
!= ~(BARRIER_TEST_PATTERN
))
3628 if (lpfc_readl((resp_buf
+ 1), &resp_data
))
3630 if (resp_data
!= ~(BARRIER_TEST_PATTERN
)) {
3631 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
||
3632 phba
->pport
->stopped
)
3638 ((MAILBOX_t
*)&mbox
)->mbxOwner
= OWN_HOST
;
3640 for (i
= 0; i
< 500; i
++) {
3641 if (lpfc_readl(resp_buf
, &resp_data
))
3643 if (resp_data
!= mbox
)
3652 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
3654 if (!(ha_copy
& HA_ERATT
))
3660 if (readl(phba
->HAregaddr
) & HA_ERATT
) {
3661 writel(HA_ERATT
, phba
->HAregaddr
);
3662 phba
->pport
->stopped
= 1;
3666 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
3667 writel(hc_copy
, phba
->HCregaddr
);
3668 readl(phba
->HCregaddr
); /* flush */
3672 * lpfc_sli_brdkill - Issue a kill_board mailbox command
3673 * @phba: Pointer to HBA context object.
3675 * This function issues a kill_board mailbox command and waits for
3676 * the error attention interrupt. This function is called for stopping
3677 * the firmware processing. The caller is not required to hold any
3678 * locks. This function calls lpfc_hba_down_post function to free
3679 * any pending commands after the kill. The function will return 1 when it
3680 * fails to kill the board else will return 0.
3683 lpfc_sli_brdkill(struct lpfc_hba
*phba
)
3685 struct lpfc_sli
*psli
;
3695 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3696 "0329 Kill HBA Data: x%x x%x\n",
3697 phba
->pport
->port_state
, psli
->sli_flag
);
3699 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3703 /* Disable the error attention */
3704 spin_lock_irq(&phba
->hbalock
);
3705 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
3706 spin_unlock_irq(&phba
->hbalock
);
3707 mempool_free(pmb
, phba
->mbox_mem_pool
);
3710 status
&= ~HC_ERINT_ENA
;
3711 writel(status
, phba
->HCregaddr
);
3712 readl(phba
->HCregaddr
); /* flush */
3713 phba
->link_flag
|= LS_IGNORE_ERATT
;
3714 spin_unlock_irq(&phba
->hbalock
);
3716 lpfc_kill_board(phba
, pmb
);
3717 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
3718 retval
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3720 if (retval
!= MBX_SUCCESS
) {
3721 if (retval
!= MBX_BUSY
)
3722 mempool_free(pmb
, phba
->mbox_mem_pool
);
3723 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3724 "2752 KILL_BOARD command failed retval %d\n",
3726 spin_lock_irq(&phba
->hbalock
);
3727 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
3728 spin_unlock_irq(&phba
->hbalock
);
3732 spin_lock_irq(&phba
->hbalock
);
3733 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
3734 spin_unlock_irq(&phba
->hbalock
);
3736 mempool_free(pmb
, phba
->mbox_mem_pool
);
3738 /* There is no completion for a KILL_BOARD mbox cmd. Check for an error
3739 * attention every 100ms for 3 seconds. If we don't get ERATT after
3740 * 3 seconds we still set HBA_ERROR state because the status of the
3741 * board is now undefined.
3743 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
3745 while ((i
++ < 30) && !(ha_copy
& HA_ERATT
)) {
3747 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
3751 del_timer_sync(&psli
->mbox_tmo
);
3752 if (ha_copy
& HA_ERATT
) {
3753 writel(HA_ERATT
, phba
->HAregaddr
);
3754 phba
->pport
->stopped
= 1;
3756 spin_lock_irq(&phba
->hbalock
);
3757 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
3758 psli
->mbox_active
= NULL
;
3759 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
3760 spin_unlock_irq(&phba
->hbalock
);
3762 lpfc_hba_down_post(phba
);
3763 phba
->link_state
= LPFC_HBA_ERROR
;
3765 return ha_copy
& HA_ERATT
? 0 : 1;
3769 * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA
3770 * @phba: Pointer to HBA context object.
3772 * This function resets the HBA by writing HC_INITFF to the control
3773 * register. After the HBA resets, this function resets all the iocb ring
3774 * indices. This function disables PCI layer parity checking during
3776 * This function returns 0 always.
3777 * The caller is not required to hold any locks.
3780 lpfc_sli_brdreset(struct lpfc_hba
*phba
)
3782 struct lpfc_sli
*psli
;
3783 struct lpfc_sli_ring
*pring
;
3790 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3791 "0325 Reset HBA Data: x%x x%x\n",
3792 phba
->pport
->port_state
, psli
->sli_flag
);
3794 /* perform board reset */
3795 phba
->fc_eventTag
= 0;
3796 phba
->link_events
= 0;
3797 phba
->pport
->fc_myDID
= 0;
3798 phba
->pport
->fc_prevDID
= 0;
3800 /* Turn off parity checking and serr during the physical reset */
3801 pci_read_config_word(phba
->pcidev
, PCI_COMMAND
, &cfg_value
);
3802 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
,
3804 ~(PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
)));
3806 psli
->sli_flag
&= ~(LPFC_SLI_ACTIVE
| LPFC_PROCESS_LA
);
3808 /* Now toggle INITFF bit in the Host Control Register */
3809 writel(HC_INITFF
, phba
->HCregaddr
);
3811 readl(phba
->HCregaddr
); /* flush */
3812 writel(0, phba
->HCregaddr
);
3813 readl(phba
->HCregaddr
); /* flush */
3815 /* Restore PCI cmd register */
3816 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, cfg_value
);
3818 /* Initialize relevant SLI info */
3819 for (i
= 0; i
< psli
->num_rings
; i
++) {
3820 pring
= &psli
->ring
[i
];
3823 pring
->next_cmdidx
= 0;
3824 pring
->local_getidx
= 0;
3826 pring
->missbufcnt
= 0;
3829 phba
->link_state
= LPFC_WARM_START
;
3834 * lpfc_sli4_brdreset - Reset a sli-4 HBA
3835 * @phba: Pointer to HBA context object.
3837 * This function resets a SLI4 HBA. This function disables PCI layer parity
3838 * checking during resets the device. The caller is not required to hold
3841 * This function returns 0 always.
3844 lpfc_sli4_brdreset(struct lpfc_hba
*phba
)
3846 struct lpfc_sli
*psli
= &phba
->sli
;
3851 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3852 "0295 Reset HBA Data: x%x x%x\n",
3853 phba
->pport
->port_state
, psli
->sli_flag
);
3855 /* perform board reset */
3856 phba
->fc_eventTag
= 0;
3857 phba
->link_events
= 0;
3858 phba
->pport
->fc_myDID
= 0;
3859 phba
->pport
->fc_prevDID
= 0;
3861 spin_lock_irq(&phba
->hbalock
);
3862 psli
->sli_flag
&= ~(LPFC_PROCESS_LA
);
3863 phba
->fcf
.fcf_flag
= 0;
3864 /* Clean up the child queue list for the CQs */
3865 list_del_init(&phba
->sli4_hba
.mbx_wq
->list
);
3866 list_del_init(&phba
->sli4_hba
.els_wq
->list
);
3867 list_del_init(&phba
->sli4_hba
.hdr_rq
->list
);
3868 list_del_init(&phba
->sli4_hba
.dat_rq
->list
);
3869 list_del_init(&phba
->sli4_hba
.mbx_cq
->list
);
3870 list_del_init(&phba
->sli4_hba
.els_cq
->list
);
3871 for (qindx
= 0; qindx
< phba
->cfg_fcp_wq_count
; qindx
++)
3872 list_del_init(&phba
->sli4_hba
.fcp_wq
[qindx
]->list
);
3875 list_del_init(&phba
->sli4_hba
.fcp_cq
[qindx
]->list
);
3876 while (++qindx
< phba
->cfg_fcp_eq_count
);
3877 spin_unlock_irq(&phba
->hbalock
);
3879 /* Now physically reset the device */
3880 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3881 "0389 Performing PCI function reset!\n");
3883 /* Turn off parity checking and serr during the physical reset */
3884 pci_read_config_word(phba
->pcidev
, PCI_COMMAND
, &cfg_value
);
3885 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, (cfg_value
&
3886 ~(PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
)));
3888 /* Perform FCoE PCI function reset */
3889 lpfc_pci_function_reset(phba
);
3891 /* Restore PCI cmd register */
3892 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, cfg_value
);
3898 * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba
3899 * @phba: Pointer to HBA context object.
3901 * This function is called in the SLI initialization code path to
3902 * restart the HBA. The caller is not required to hold any lock.
3903 * This function writes MBX_RESTART mailbox command to the SLIM and
3904 * resets the HBA. At the end of the function, it calls lpfc_hba_down_post
3905 * function to free any pending commands. The function enables
3906 * POST only during the first initialization. The function returns zero.
3907 * The function does not guarantee completion of MBX_RESTART mailbox
3908 * command before the return of this function.
3911 lpfc_sli_brdrestart_s3(struct lpfc_hba
*phba
)
3914 struct lpfc_sli
*psli
;
3915 volatile uint32_t word0
;
3916 void __iomem
*to_slim
;
3917 uint32_t hba_aer_enabled
;
3919 spin_lock_irq(&phba
->hbalock
);
3921 /* Take PCIe device Advanced Error Reporting (AER) state */
3922 hba_aer_enabled
= phba
->hba_flag
& HBA_AER_ENABLED
;
3927 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3928 "0337 Restart HBA Data: x%x x%x\n",
3929 phba
->pport
->port_state
, psli
->sli_flag
);
3932 mb
= (MAILBOX_t
*) &word0
;
3933 mb
->mbxCommand
= MBX_RESTART
;
3936 lpfc_reset_barrier(phba
);
3938 to_slim
= phba
->MBslimaddr
;
3939 writel(*(uint32_t *) mb
, to_slim
);
3940 readl(to_slim
); /* flush */
3942 /* Only skip post after fc_ffinit is completed */
3943 if (phba
->pport
->port_state
)
3944 word0
= 1; /* This is really setting up word1 */
3946 word0
= 0; /* This is really setting up word1 */
3947 to_slim
= phba
->MBslimaddr
+ sizeof (uint32_t);
3948 writel(*(uint32_t *) mb
, to_slim
);
3949 readl(to_slim
); /* flush */
3951 lpfc_sli_brdreset(phba
);
3952 phba
->pport
->stopped
= 0;
3953 phba
->link_state
= LPFC_INIT_START
;
3955 spin_unlock_irq(&phba
->hbalock
);
3957 memset(&psli
->lnk_stat_offsets
, 0, sizeof(psli
->lnk_stat_offsets
));
3958 psli
->stats_start
= get_seconds();
3960 /* Give the INITFF and Post time to settle. */
3963 /* Reset HBA AER if it was enabled, note hba_flag was reset above */
3964 if (hba_aer_enabled
)
3965 pci_disable_pcie_error_reporting(phba
->pcidev
);
3967 lpfc_hba_down_post(phba
);
3973 * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba
3974 * @phba: Pointer to HBA context object.
3976 * This function is called in the SLI initialization code path to restart
3977 * a SLI4 HBA. The caller is not required to hold any lock.
3978 * At the end of the function, it calls lpfc_hba_down_post function to
3979 * free any pending commands.
3982 lpfc_sli_brdrestart_s4(struct lpfc_hba
*phba
)
3984 struct lpfc_sli
*psli
= &phba
->sli
;
3985 uint32_t hba_aer_enabled
;
3988 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3989 "0296 Restart HBA Data: x%x x%x\n",
3990 phba
->pport
->port_state
, psli
->sli_flag
);
3992 /* Take PCIe device Advanced Error Reporting (AER) state */
3993 hba_aer_enabled
= phba
->hba_flag
& HBA_AER_ENABLED
;
3995 lpfc_sli4_brdreset(phba
);
3997 spin_lock_irq(&phba
->hbalock
);
3998 phba
->pport
->stopped
= 0;
3999 phba
->link_state
= LPFC_INIT_START
;
4001 spin_unlock_irq(&phba
->hbalock
);
4003 memset(&psli
->lnk_stat_offsets
, 0, sizeof(psli
->lnk_stat_offsets
));
4004 psli
->stats_start
= get_seconds();
4006 /* Reset HBA AER if it was enabled, note hba_flag was reset above */
4007 if (hba_aer_enabled
)
4008 pci_disable_pcie_error_reporting(phba
->pcidev
);
4010 lpfc_hba_down_post(phba
);
4016 * lpfc_sli_brdrestart - Wrapper func for restarting hba
4017 * @phba: Pointer to HBA context object.
4019 * This routine wraps the actual SLI3 or SLI4 hba restart routine from the
4020 * API jump table function pointer from the lpfc_hba struct.
4023 lpfc_sli_brdrestart(struct lpfc_hba
*phba
)
4025 return phba
->lpfc_sli_brdrestart(phba
);
4029 * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart
4030 * @phba: Pointer to HBA context object.
4032 * This function is called after a HBA restart to wait for successful
4033 * restart of the HBA. Successful restart of the HBA is indicated by
4034 * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15
4035 * iteration, the function will restart the HBA again. The function returns
4036 * zero if HBA successfully restarted else returns negative error code.
4039 lpfc_sli_chipset_init(struct lpfc_hba
*phba
)
4041 uint32_t status
, i
= 0;
4043 /* Read the HBA Host Status Register */
4044 if (lpfc_readl(phba
->HSregaddr
, &status
))
4047 /* Check status register to see what current state is */
4049 while ((status
& (HS_FFRDY
| HS_MBRDY
)) != (HS_FFRDY
| HS_MBRDY
)) {
4051 /* Check every 10ms for 10 retries, then every 100ms for 90
4052 * retries, then every 1 sec for 50 retires for a total of
4053 * ~60 seconds before reset the board again and check every
4054 * 1 sec for 50 retries. The up to 60 seconds before the
4055 * board ready is required by the Falcon FIPS zeroization
4056 * complete, and any reset the board in between shall cause
4057 * restart of zeroization, further delay the board ready.
4060 /* Adapter failed to init, timeout, status reg
4062 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4063 "0436 Adapter failed to init, "
4064 "timeout, status reg x%x, "
4065 "FW Data: A8 x%x AC x%x\n", status
,
4066 readl(phba
->MBslimaddr
+ 0xa8),
4067 readl(phba
->MBslimaddr
+ 0xac));
4068 phba
->link_state
= LPFC_HBA_ERROR
;
4072 /* Check to see if any errors occurred during init */
4073 if (status
& HS_FFERM
) {
4074 /* ERROR: During chipset initialization */
4075 /* Adapter failed to init, chipset, status reg
4077 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4078 "0437 Adapter failed to init, "
4079 "chipset, status reg x%x, "
4080 "FW Data: A8 x%x AC x%x\n", status
,
4081 readl(phba
->MBslimaddr
+ 0xa8),
4082 readl(phba
->MBslimaddr
+ 0xac));
4083 phba
->link_state
= LPFC_HBA_ERROR
;
4096 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
4097 lpfc_sli_brdrestart(phba
);
4099 /* Read the HBA Host Status Register */
4100 if (lpfc_readl(phba
->HSregaddr
, &status
))
4104 /* Check to see if any errors occurred during init */
4105 if (status
& HS_FFERM
) {
4106 /* ERROR: During chipset initialization */
4107 /* Adapter failed to init, chipset, status reg <status> */
4108 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4109 "0438 Adapter failed to init, chipset, "
4111 "FW Data: A8 x%x AC x%x\n", status
,
4112 readl(phba
->MBslimaddr
+ 0xa8),
4113 readl(phba
->MBslimaddr
+ 0xac));
4114 phba
->link_state
= LPFC_HBA_ERROR
;
4118 /* Clear all interrupt enable conditions */
4119 writel(0, phba
->HCregaddr
);
4120 readl(phba
->HCregaddr
); /* flush */
4122 /* setup host attn register */
4123 writel(0xffffffff, phba
->HAregaddr
);
4124 readl(phba
->HAregaddr
); /* flush */
4129 * lpfc_sli_hbq_count - Get the number of HBQs to be configured
4131 * This function calculates and returns the number of HBQs required to be
4135 lpfc_sli_hbq_count(void)
4137 return ARRAY_SIZE(lpfc_hbq_defs
);
4141 * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries
4143 * This function adds the number of hbq entries in every HBQ to get
4144 * the total number of hbq entries required for the HBA and returns
4148 lpfc_sli_hbq_entry_count(void)
4150 int hbq_count
= lpfc_sli_hbq_count();
4154 for (i
= 0; i
< hbq_count
; ++i
)
4155 count
+= lpfc_hbq_defs
[i
]->entry_count
;
4160 * lpfc_sli_hbq_size - Calculate memory required for all hbq entries
4162 * This function calculates amount of memory required for all hbq entries
4163 * to be configured and returns the total memory required.
4166 lpfc_sli_hbq_size(void)
4168 return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry
);
4172 * lpfc_sli_hbq_setup - configure and initialize HBQs
4173 * @phba: Pointer to HBA context object.
4175 * This function is called during the SLI initialization to configure
4176 * all the HBQs and post buffers to the HBQ. The caller is not
4177 * required to hold any locks. This function will return zero if successful
4178 * else it will return negative error code.
4181 lpfc_sli_hbq_setup(struct lpfc_hba
*phba
)
4183 int hbq_count
= lpfc_sli_hbq_count();
4187 uint32_t hbq_entry_index
;
4189 /* Get a Mailbox buffer to setup mailbox
4190 * commands for HBA initialization
4192 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4199 /* Initialize the struct lpfc_sli_hbq structure for each hbq */
4200 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
4201 phba
->hbq_in_use
= 1;
4203 hbq_entry_index
= 0;
4204 for (hbqno
= 0; hbqno
< hbq_count
; ++hbqno
) {
4205 phba
->hbqs
[hbqno
].next_hbqPutIdx
= 0;
4206 phba
->hbqs
[hbqno
].hbqPutIdx
= 0;
4207 phba
->hbqs
[hbqno
].local_hbqGetIdx
= 0;
4208 phba
->hbqs
[hbqno
].entry_count
=
4209 lpfc_hbq_defs
[hbqno
]->entry_count
;
4210 lpfc_config_hbq(phba
, hbqno
, lpfc_hbq_defs
[hbqno
],
4211 hbq_entry_index
, pmb
);
4212 hbq_entry_index
+= phba
->hbqs
[hbqno
].entry_count
;
4214 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
4215 /* Adapter failed to init, mbxCmd <cmd> CFG_RING,
4216 mbxStatus <status>, ring <num> */
4218 lpfc_printf_log(phba
, KERN_ERR
,
4219 LOG_SLI
| LOG_VPORT
,
4220 "1805 Adapter failed to init. "
4221 "Data: x%x x%x x%x\n",
4223 pmbox
->mbxStatus
, hbqno
);
4225 phba
->link_state
= LPFC_HBA_ERROR
;
4226 mempool_free(pmb
, phba
->mbox_mem_pool
);
4230 phba
->hbq_count
= hbq_count
;
4232 mempool_free(pmb
, phba
->mbox_mem_pool
);
4234 /* Initially populate or replenish the HBQs */
4235 for (hbqno
= 0; hbqno
< hbq_count
; ++hbqno
)
4236 lpfc_sli_hbqbuf_init_hbqs(phba
, hbqno
);
4241 * lpfc_sli4_rb_setup - Initialize and post RBs to HBA
4242 * @phba: Pointer to HBA context object.
4244 * This function is called during the SLI initialization to configure
4245 * all the HBQs and post buffers to the HBQ. The caller is not
4246 * required to hold any locks. This function will return zero if successful
4247 * else it will return negative error code.
4250 lpfc_sli4_rb_setup(struct lpfc_hba
*phba
)
4252 phba
->hbq_in_use
= 1;
4253 phba
->hbqs
[0].entry_count
= lpfc_hbq_defs
[0]->entry_count
;
4254 phba
->hbq_count
= 1;
4255 /* Initially populate or replenish the HBQs */
4256 lpfc_sli_hbqbuf_init_hbqs(phba
, 0);
4261 * lpfc_sli_config_port - Issue config port mailbox command
4262 * @phba: Pointer to HBA context object.
4263 * @sli_mode: sli mode - 2/3
4265 * This function is called by the sli intialization code path
4266 * to issue config_port mailbox command. This function restarts the
4267 * HBA firmware and issues a config_port mailbox command to configure
4268 * the SLI interface in the sli mode specified by sli_mode
4269 * variable. The caller is not required to hold any locks.
4270 * The function returns 0 if successful, else returns negative error
4274 lpfc_sli_config_port(struct lpfc_hba
*phba
, int sli_mode
)
4277 uint32_t resetcount
= 0, rc
= 0, done
= 0;
4279 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4281 phba
->link_state
= LPFC_HBA_ERROR
;
4285 phba
->sli_rev
= sli_mode
;
4286 while (resetcount
< 2 && !done
) {
4287 spin_lock_irq(&phba
->hbalock
);
4288 phba
->sli
.sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
4289 spin_unlock_irq(&phba
->hbalock
);
4290 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
4291 lpfc_sli_brdrestart(phba
);
4292 rc
= lpfc_sli_chipset_init(phba
);
4296 spin_lock_irq(&phba
->hbalock
);
4297 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
4298 spin_unlock_irq(&phba
->hbalock
);
4301 /* Call pre CONFIG_PORT mailbox command initialization. A
4302 * value of 0 means the call was successful. Any other
4303 * nonzero value is a failure, but if ERESTART is returned,
4304 * the driver may reset the HBA and try again.
4306 rc
= lpfc_config_port_prep(phba
);
4307 if (rc
== -ERESTART
) {
4308 phba
->link_state
= LPFC_LINK_UNKNOWN
;
4313 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
4314 lpfc_config_port(phba
, pmb
);
4315 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
4316 phba
->sli3_options
&= ~(LPFC_SLI3_NPIV_ENABLED
|
4317 LPFC_SLI3_HBQ_ENABLED
|
4318 LPFC_SLI3_CRP_ENABLED
|
4319 LPFC_SLI3_BG_ENABLED
|
4320 LPFC_SLI3_DSS_ENABLED
);
4321 if (rc
!= MBX_SUCCESS
) {
4322 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4323 "0442 Adapter failed to init, mbxCmd x%x "
4324 "CONFIG_PORT, mbxStatus x%x Data: x%x\n",
4325 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
, 0);
4326 spin_lock_irq(&phba
->hbalock
);
4327 phba
->sli
.sli_flag
&= ~LPFC_SLI_ACTIVE
;
4328 spin_unlock_irq(&phba
->hbalock
);
4331 /* Allow asynchronous mailbox command to go through */
4332 spin_lock_irq(&phba
->hbalock
);
4333 phba
->sli
.sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
4334 spin_unlock_irq(&phba
->hbalock
);
4340 goto do_prep_failed
;
4342 if (pmb
->u
.mb
.un
.varCfgPort
.sli_mode
== 3) {
4343 if (!pmb
->u
.mb
.un
.varCfgPort
.cMA
) {
4345 goto do_prep_failed
;
4347 if (phba
->max_vpi
&& pmb
->u
.mb
.un
.varCfgPort
.gmv
) {
4348 phba
->sli3_options
|= LPFC_SLI3_NPIV_ENABLED
;
4349 phba
->max_vpi
= pmb
->u
.mb
.un
.varCfgPort
.max_vpi
;
4350 phba
->max_vports
= (phba
->max_vpi
> phba
->max_vports
) ?
4351 phba
->max_vpi
: phba
->max_vports
;
4355 phba
->fips_level
= 0;
4356 phba
->fips_spec_rev
= 0;
4357 if (pmb
->u
.mb
.un
.varCfgPort
.gdss
) {
4358 phba
->sli3_options
|= LPFC_SLI3_DSS_ENABLED
;
4359 phba
->fips_level
= pmb
->u
.mb
.un
.varCfgPort
.fips_level
;
4360 phba
->fips_spec_rev
= pmb
->u
.mb
.un
.varCfgPort
.fips_rev
;
4361 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4362 "2850 Security Crypto Active. FIPS x%d "
4364 phba
->fips_level
, phba
->fips_spec_rev
);
4366 if (pmb
->u
.mb
.un
.varCfgPort
.sec_err
) {
4367 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4368 "2856 Config Port Security Crypto "
4370 pmb
->u
.mb
.un
.varCfgPort
.sec_err
);
4372 if (pmb
->u
.mb
.un
.varCfgPort
.gerbm
)
4373 phba
->sli3_options
|= LPFC_SLI3_HBQ_ENABLED
;
4374 if (pmb
->u
.mb
.un
.varCfgPort
.gcrp
)
4375 phba
->sli3_options
|= LPFC_SLI3_CRP_ENABLED
;
4377 phba
->hbq_get
= phba
->mbox
->us
.s3_pgp
.hbq_get
;
4378 phba
->port_gp
= phba
->mbox
->us
.s3_pgp
.port
;
4380 if (phba
->cfg_enable_bg
) {
4381 if (pmb
->u
.mb
.un
.varCfgPort
.gbg
)
4382 phba
->sli3_options
|= LPFC_SLI3_BG_ENABLED
;
4384 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4385 "0443 Adapter did not grant "
4389 phba
->hbq_get
= NULL
;
4390 phba
->port_gp
= phba
->mbox
->us
.s2
.port
;
4394 mempool_free(pmb
, phba
->mbox_mem_pool
);
4400 * lpfc_sli_hba_setup - SLI intialization function
4401 * @phba: Pointer to HBA context object.
4403 * This function is the main SLI intialization function. This function
4404 * is called by the HBA intialization code, HBA reset code and HBA
4405 * error attention handler code. Caller is not required to hold any
4406 * locks. This function issues config_port mailbox command to configure
4407 * the SLI, setup iocb rings and HBQ rings. In the end the function
4408 * calls the config_port_post function to issue init_link mailbox
4409 * command and to start the discovery. The function will return zero
4410 * if successful, else it will return negative error code.
4413 lpfc_sli_hba_setup(struct lpfc_hba
*phba
)
4419 switch (lpfc_sli_mode
) {
4421 if (phba
->cfg_enable_npiv
) {
4422 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4423 "1824 NPIV enabled: Override lpfc_sli_mode "
4424 "parameter (%d) to auto (0).\n",
4434 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4435 "1819 Unrecognized lpfc_sli_mode "
4436 "parameter: %d.\n", lpfc_sli_mode
);
4441 rc
= lpfc_sli_config_port(phba
, mode
);
4443 if (rc
&& lpfc_sli_mode
== 3)
4444 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4445 "1820 Unable to select SLI-3. "
4446 "Not supported by adapter.\n");
4447 if (rc
&& mode
!= 2)
4448 rc
= lpfc_sli_config_port(phba
, 2);
4450 goto lpfc_sli_hba_setup_error
;
4452 /* Enable PCIe device Advanced Error Reporting (AER) if configured */
4453 if (phba
->cfg_aer_support
== 1 && !(phba
->hba_flag
& HBA_AER_ENABLED
)) {
4454 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
4456 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4457 "2709 This device supports "
4458 "Advanced Error Reporting (AER)\n");
4459 spin_lock_irq(&phba
->hbalock
);
4460 phba
->hba_flag
|= HBA_AER_ENABLED
;
4461 spin_unlock_irq(&phba
->hbalock
);
4463 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4464 "2708 This device does not support "
4465 "Advanced Error Reporting (AER)\n");
4466 phba
->cfg_aer_support
= 0;
4470 if (phba
->sli_rev
== 3) {
4471 phba
->iocb_cmd_size
= SLI3_IOCB_CMD_SIZE
;
4472 phba
->iocb_rsp_size
= SLI3_IOCB_RSP_SIZE
;
4474 phba
->iocb_cmd_size
= SLI2_IOCB_CMD_SIZE
;
4475 phba
->iocb_rsp_size
= SLI2_IOCB_RSP_SIZE
;
4476 phba
->sli3_options
= 0;
4479 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4480 "0444 Firmware in SLI %x mode. Max_vpi %d\n",
4481 phba
->sli_rev
, phba
->max_vpi
);
4482 rc
= lpfc_sli_ring_map(phba
);
4485 goto lpfc_sli_hba_setup_error
;
4487 /* Initialize VPIs. */
4488 if (phba
->sli_rev
== LPFC_SLI_REV3
) {
4490 * The VPI bitmask and physical ID array are allocated
4491 * and initialized once only - at driver load. A port
4492 * reset doesn't need to reinitialize this memory.
4494 if ((phba
->vpi_bmask
== NULL
) && (phba
->vpi_ids
== NULL
)) {
4495 longs
= (phba
->max_vpi
+ BITS_PER_LONG
) / BITS_PER_LONG
;
4496 phba
->vpi_bmask
= kzalloc(longs
* sizeof(unsigned long),
4498 if (!phba
->vpi_bmask
) {
4500 goto lpfc_sli_hba_setup_error
;
4503 phba
->vpi_ids
= kzalloc(
4504 (phba
->max_vpi
+1) * sizeof(uint16_t),
4506 if (!phba
->vpi_ids
) {
4507 kfree(phba
->vpi_bmask
);
4509 goto lpfc_sli_hba_setup_error
;
4511 for (i
= 0; i
< phba
->max_vpi
; i
++)
4512 phba
->vpi_ids
[i
] = i
;
4517 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
) {
4518 rc
= lpfc_sli_hbq_setup(phba
);
4520 goto lpfc_sli_hba_setup_error
;
4522 spin_lock_irq(&phba
->hbalock
);
4523 phba
->sli
.sli_flag
|= LPFC_PROCESS_LA
;
4524 spin_unlock_irq(&phba
->hbalock
);
4526 rc
= lpfc_config_port_post(phba
);
4528 goto lpfc_sli_hba_setup_error
;
4532 lpfc_sli_hba_setup_error
:
4533 phba
->link_state
= LPFC_HBA_ERROR
;
4534 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4535 "0445 Firmware initialization failed\n");
4540 * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region
4541 * @phba: Pointer to HBA context object.
4542 * @mboxq: mailbox pointer.
4543 * This function issue a dump mailbox command to read config region
4544 * 23 and parse the records in the region and populate driver
4548 lpfc_sli4_read_fcoe_params(struct lpfc_hba
*phba
,
4549 LPFC_MBOXQ_t
*mboxq
)
4551 struct lpfc_dmabuf
*mp
;
4552 struct lpfc_mqe
*mqe
;
4553 uint32_t data_length
;
4556 /* Program the default value of vlan_id and fc_map */
4557 phba
->valid_vlan
= 0;
4558 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4559 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4560 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4562 mqe
= &mboxq
->u
.mqe
;
4563 if (lpfc_dump_fcoe_param(phba
, mboxq
))
4566 mp
= (struct lpfc_dmabuf
*) mboxq
->context1
;
4567 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4569 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
4570 "(%d):2571 Mailbox cmd x%x Status x%x "
4571 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x "
4572 "x%x x%x x%x x%x x%x x%x x%x x%x x%x "
4573 "CQ: x%x x%x x%x x%x\n",
4574 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
4575 bf_get(lpfc_mqe_command
, mqe
),
4576 bf_get(lpfc_mqe_status
, mqe
),
4577 mqe
->un
.mb_words
[0], mqe
->un
.mb_words
[1],
4578 mqe
->un
.mb_words
[2], mqe
->un
.mb_words
[3],
4579 mqe
->un
.mb_words
[4], mqe
->un
.mb_words
[5],
4580 mqe
->un
.mb_words
[6], mqe
->un
.mb_words
[7],
4581 mqe
->un
.mb_words
[8], mqe
->un
.mb_words
[9],
4582 mqe
->un
.mb_words
[10], mqe
->un
.mb_words
[11],
4583 mqe
->un
.mb_words
[12], mqe
->un
.mb_words
[13],
4584 mqe
->un
.mb_words
[14], mqe
->un
.mb_words
[15],
4585 mqe
->un
.mb_words
[16], mqe
->un
.mb_words
[50],
4587 mboxq
->mcqe
.mcqe_tag0
, mboxq
->mcqe
.mcqe_tag1
,
4588 mboxq
->mcqe
.trailer
);
4591 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4595 data_length
= mqe
->un
.mb_words
[5];
4596 if (data_length
> DMP_RGN23_SIZE
) {
4597 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4602 lpfc_parse_fcoe_conf(phba
, mp
->virt
, data_length
);
4603 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4609 * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data
4610 * @phba: pointer to lpfc hba data structure.
4611 * @mboxq: pointer to the LPFC_MBOXQ_t structure.
4612 * @vpd: pointer to the memory to hold resulting port vpd data.
4613 * @vpd_size: On input, the number of bytes allocated to @vpd.
4614 * On output, the number of data bytes in @vpd.
4616 * This routine executes a READ_REV SLI4 mailbox command. In
4617 * addition, this routine gets the port vpd data.
4621 * -ENOMEM - could not allocated memory.
4624 lpfc_sli4_read_rev(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
,
4625 uint8_t *vpd
, uint32_t *vpd_size
)
4629 struct lpfc_dmabuf
*dmabuf
;
4630 struct lpfc_mqe
*mqe
;
4632 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4637 * Get a DMA buffer for the vpd data resulting from the READ_REV
4640 dma_size
= *vpd_size
;
4641 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4645 if (!dmabuf
->virt
) {
4649 memset(dmabuf
->virt
, 0, dma_size
);
4652 * The SLI4 implementation of READ_REV conflicts at word1,
4653 * bits 31:16 and SLI4 adds vpd functionality not present
4654 * in SLI3. This code corrects the conflicts.
4656 lpfc_read_rev(phba
, mboxq
);
4657 mqe
= &mboxq
->u
.mqe
;
4658 mqe
->un
.read_rev
.vpd_paddr_high
= putPaddrHigh(dmabuf
->phys
);
4659 mqe
->un
.read_rev
.vpd_paddr_low
= putPaddrLow(dmabuf
->phys
);
4660 mqe
->un
.read_rev
.word1
&= 0x0000FFFF;
4661 bf_set(lpfc_mbx_rd_rev_vpd
, &mqe
->un
.read_rev
, 1);
4662 bf_set(lpfc_mbx_rd_rev_avail_len
, &mqe
->un
.read_rev
, dma_size
);
4664 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4666 dma_free_coherent(&phba
->pcidev
->dev
, dma_size
,
4667 dmabuf
->virt
, dmabuf
->phys
);
4673 * The available vpd length cannot be bigger than the
4674 * DMA buffer passed to the port. Catch the less than
4675 * case and update the caller's size.
4677 if (mqe
->un
.read_rev
.avail_vpd_len
< *vpd_size
)
4678 *vpd_size
= mqe
->un
.read_rev
.avail_vpd_len
;
4680 memcpy(vpd
, dmabuf
->virt
, *vpd_size
);
4682 dma_free_coherent(&phba
->pcidev
->dev
, dma_size
,
4683 dmabuf
->virt
, dmabuf
->phys
);
4689 * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues
4690 * @phba: pointer to lpfc hba data structure.
4692 * This routine is called to explicitly arm the SLI4 device's completion and
4696 lpfc_sli4_arm_cqeq_intr(struct lpfc_hba
*phba
)
4700 lpfc_sli4_cq_release(phba
->sli4_hba
.mbx_cq
, LPFC_QUEUE_REARM
);
4701 lpfc_sli4_cq_release(phba
->sli4_hba
.els_cq
, LPFC_QUEUE_REARM
);
4704 lpfc_sli4_cq_release(phba
->sli4_hba
.fcp_cq
[fcp_eqidx
],
4706 while (++fcp_eqidx
< phba
->cfg_fcp_eq_count
);
4707 lpfc_sli4_eq_release(phba
->sli4_hba
.sp_eq
, LPFC_QUEUE_REARM
);
4708 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++)
4709 lpfc_sli4_eq_release(phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
4714 * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count.
4715 * @phba: Pointer to HBA context object.
4716 * @type: The resource extent type.
4717 * @extnt_count: buffer to hold port available extent count.
4718 * @extnt_size: buffer to hold element count per extent.
4720 * This function calls the port and retrievs the number of available
4721 * extents and their size for a particular extent type.
4723 * Returns: 0 if successful. Nonzero otherwise.
4726 lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba
*phba
, uint16_t type
,
4727 uint16_t *extnt_count
, uint16_t *extnt_size
)
4732 struct lpfc_mbx_get_rsrc_extent_info
*rsrc_info
;
4735 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4739 /* Find out how many extents are available for this resource type */
4740 length
= (sizeof(struct lpfc_mbx_get_rsrc_extent_info
) -
4741 sizeof(struct lpfc_sli4_cfg_mhdr
));
4742 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
4743 LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO
,
4744 length
, LPFC_SLI4_MBX_EMBED
);
4746 /* Send an extents count of 0 - the GET doesn't use it. */
4747 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, 0, type
,
4748 LPFC_SLI4_MBX_EMBED
);
4754 if (!phba
->sli4_hba
.intr_enable
)
4755 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
4757 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
4758 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
4765 rsrc_info
= &mbox
->u
.mqe
.un
.rsrc_extent_info
;
4766 if (bf_get(lpfc_mbox_hdr_status
,
4767 &rsrc_info
->header
.cfg_shdr
.response
)) {
4768 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
4769 "2930 Failed to get resource extents "
4770 "Status 0x%x Add'l Status 0x%x\n",
4771 bf_get(lpfc_mbox_hdr_status
,
4772 &rsrc_info
->header
.cfg_shdr
.response
),
4773 bf_get(lpfc_mbox_hdr_add_status
,
4774 &rsrc_info
->header
.cfg_shdr
.response
));
4779 *extnt_count
= bf_get(lpfc_mbx_get_rsrc_extent_info_cnt
,
4781 *extnt_size
= bf_get(lpfc_mbx_get_rsrc_extent_info_size
,
4784 mempool_free(mbox
, phba
->mbox_mem_pool
);
4789 * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents.
4790 * @phba: Pointer to HBA context object.
4791 * @type: The extent type to check.
4793 * This function reads the current available extents from the port and checks
4794 * if the extent count or extent size has changed since the last access.
4795 * Callers use this routine post port reset to understand if there is a
4796 * extent reprovisioning requirement.
4799 * -Error: error indicates problem.
4800 * 1: Extent count or size has changed.
4804 lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba
*phba
, uint16_t type
)
4806 uint16_t curr_ext_cnt
, rsrc_ext_cnt
;
4807 uint16_t size_diff
, rsrc_ext_size
;
4809 struct lpfc_rsrc_blks
*rsrc_entry
;
4810 struct list_head
*rsrc_blk_list
= NULL
;
4814 rc
= lpfc_sli4_get_avail_extnt_rsrc(phba
, type
,
4821 case LPFC_RSC_TYPE_FCOE_RPI
:
4822 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
4824 case LPFC_RSC_TYPE_FCOE_VPI
:
4825 rsrc_blk_list
= &phba
->lpfc_vpi_blk_list
;
4827 case LPFC_RSC_TYPE_FCOE_XRI
:
4828 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
4830 case LPFC_RSC_TYPE_FCOE_VFI
:
4831 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
4837 list_for_each_entry(rsrc_entry
, rsrc_blk_list
, list
) {
4839 if (rsrc_entry
->rsrc_size
!= rsrc_ext_size
)
4843 if (curr_ext_cnt
!= rsrc_ext_cnt
|| size_diff
!= 0)
4850 * lpfc_sli4_cfg_post_extnts -
4851 * @phba: Pointer to HBA context object.
4852 * @extnt_cnt - number of available extents.
4853 * @type - the extent type (rpi, xri, vfi, vpi).
4854 * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation.
4855 * @mbox - pointer to the caller's allocated mailbox structure.
4857 * This function executes the extents allocation request. It also
4858 * takes care of the amount of memory needed to allocate or get the
4859 * allocated extents. It is the caller's responsibility to evaluate
4863 * -Error: Error value describes the condition found.
4867 lpfc_sli4_cfg_post_extnts(struct lpfc_hba
*phba
, uint16_t *extnt_cnt
,
4868 uint16_t type
, bool *emb
, LPFC_MBOXQ_t
*mbox
)
4873 uint32_t alloc_len
, mbox_tmo
;
4875 /* Calculate the total requested length of the dma memory */
4876 req_len
= *extnt_cnt
* sizeof(uint16_t);
4879 * Calculate the size of an embedded mailbox. The uint32_t
4880 * accounts for extents-specific word.
4882 emb_len
= sizeof(MAILBOX_t
) - sizeof(struct mbox_header
) -
4886 * Presume the allocation and response will fit into an embedded
4887 * mailbox. If not true, reconfigure to a non-embedded mailbox.
4889 *emb
= LPFC_SLI4_MBX_EMBED
;
4890 if (req_len
> emb_len
) {
4891 req_len
= *extnt_cnt
* sizeof(uint16_t) +
4892 sizeof(union lpfc_sli4_cfg_shdr
) +
4894 *emb
= LPFC_SLI4_MBX_NEMBED
;
4897 alloc_len
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
4898 LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT
,
4900 if (alloc_len
< req_len
) {
4901 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4902 "2982 Allocated DMA memory size (x%x) is "
4903 "less than the requested DMA memory "
4904 "size (x%x)\n", alloc_len
, req_len
);
4907 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, *extnt_cnt
, type
, *emb
);
4911 if (!phba
->sli4_hba
.intr_enable
)
4912 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
4914 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
4915 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
4924 * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent.
4925 * @phba: Pointer to HBA context object.
4926 * @type: The resource extent type to allocate.
4928 * This function allocates the number of elements for the specified
4932 lpfc_sli4_alloc_extent(struct lpfc_hba
*phba
, uint16_t type
)
4935 uint16_t rsrc_id_cnt
, rsrc_cnt
, rsrc_size
;
4936 uint16_t rsrc_id
, rsrc_start
, j
, k
;
4939 unsigned long longs
;
4940 unsigned long *bmask
;
4941 struct lpfc_rsrc_blks
*rsrc_blks
;
4944 struct lpfc_id_range
*id_array
= NULL
;
4945 void *virtaddr
= NULL
;
4946 struct lpfc_mbx_nembed_rsrc_extent
*n_rsrc
;
4947 struct lpfc_mbx_alloc_rsrc_extents
*rsrc_ext
;
4948 struct list_head
*ext_blk_list
;
4950 rc
= lpfc_sli4_get_avail_extnt_rsrc(phba
, type
,
4956 if ((rsrc_cnt
== 0) || (rsrc_size
== 0)) {
4957 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
4958 "3009 No available Resource Extents "
4959 "for resource type 0x%x: Count: 0x%x, "
4960 "Size 0x%x\n", type
, rsrc_cnt
,
4965 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_INIT
,
4966 "2903 Available Resource Extents "
4967 "for resource type 0x%x: Count: 0x%x, "
4968 "Size 0x%x\n", type
, rsrc_cnt
,
4971 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4975 rc
= lpfc_sli4_cfg_post_extnts(phba
, &rsrc_cnt
, type
, &emb
, mbox
);
4982 * Figure out where the response is located. Then get local pointers
4983 * to the response data. The port does not guarantee to respond to
4984 * all extents counts request so update the local variable with the
4985 * allocated count from the port.
4987 if (emb
== LPFC_SLI4_MBX_EMBED
) {
4988 rsrc_ext
= &mbox
->u
.mqe
.un
.alloc_rsrc_extents
;
4989 id_array
= &rsrc_ext
->u
.rsp
.id
[0];
4990 rsrc_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, &rsrc_ext
->u
.rsp
);
4992 virtaddr
= mbox
->sge_array
->addr
[0];
4993 n_rsrc
= (struct lpfc_mbx_nembed_rsrc_extent
*) virtaddr
;
4994 rsrc_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, n_rsrc
);
4995 id_array
= &n_rsrc
->id
;
4998 longs
= ((rsrc_cnt
* rsrc_size
) + BITS_PER_LONG
- 1) / BITS_PER_LONG
;
4999 rsrc_id_cnt
= rsrc_cnt
* rsrc_size
;
5002 * Based on the resource size and count, correct the base and max
5005 length
= sizeof(struct lpfc_rsrc_blks
);
5007 case LPFC_RSC_TYPE_FCOE_RPI
:
5008 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
*
5009 sizeof(unsigned long),
5011 if (unlikely(!phba
->sli4_hba
.rpi_bmask
)) {
5015 phba
->sli4_hba
.rpi_ids
= kzalloc(rsrc_id_cnt
*
5018 if (unlikely(!phba
->sli4_hba
.rpi_ids
)) {
5019 kfree(phba
->sli4_hba
.rpi_bmask
);
5025 * The next_rpi was initialized with the maximum available
5026 * count but the port may allocate a smaller number. Catch
5027 * that case and update the next_rpi.
5029 phba
->sli4_hba
.next_rpi
= rsrc_id_cnt
;
5031 /* Initialize local ptrs for common extent processing later. */
5032 bmask
= phba
->sli4_hba
.rpi_bmask
;
5033 ids
= phba
->sli4_hba
.rpi_ids
;
5034 ext_blk_list
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
5036 case LPFC_RSC_TYPE_FCOE_VPI
:
5037 phba
->vpi_bmask
= kzalloc(longs
*
5038 sizeof(unsigned long),
5040 if (unlikely(!phba
->vpi_bmask
)) {
5044 phba
->vpi_ids
= kzalloc(rsrc_id_cnt
*
5047 if (unlikely(!phba
->vpi_ids
)) {
5048 kfree(phba
->vpi_bmask
);
5053 /* Initialize local ptrs for common extent processing later. */
5054 bmask
= phba
->vpi_bmask
;
5055 ids
= phba
->vpi_ids
;
5056 ext_blk_list
= &phba
->lpfc_vpi_blk_list
;
5058 case LPFC_RSC_TYPE_FCOE_XRI
:
5059 phba
->sli4_hba
.xri_bmask
= kzalloc(longs
*
5060 sizeof(unsigned long),
5062 if (unlikely(!phba
->sli4_hba
.xri_bmask
)) {
5066 phba
->sli4_hba
.xri_ids
= kzalloc(rsrc_id_cnt
*
5069 if (unlikely(!phba
->sli4_hba
.xri_ids
)) {
5070 kfree(phba
->sli4_hba
.xri_bmask
);
5075 /* Initialize local ptrs for common extent processing later. */
5076 bmask
= phba
->sli4_hba
.xri_bmask
;
5077 ids
= phba
->sli4_hba
.xri_ids
;
5078 ext_blk_list
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
5080 case LPFC_RSC_TYPE_FCOE_VFI
:
5081 phba
->sli4_hba
.vfi_bmask
= kzalloc(longs
*
5082 sizeof(unsigned long),
5084 if (unlikely(!phba
->sli4_hba
.vfi_bmask
)) {
5088 phba
->sli4_hba
.vfi_ids
= kzalloc(rsrc_id_cnt
*
5091 if (unlikely(!phba
->sli4_hba
.vfi_ids
)) {
5092 kfree(phba
->sli4_hba
.vfi_bmask
);
5097 /* Initialize local ptrs for common extent processing later. */
5098 bmask
= phba
->sli4_hba
.vfi_bmask
;
5099 ids
= phba
->sli4_hba
.vfi_ids
;
5100 ext_blk_list
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
5103 /* Unsupported Opcode. Fail call. */
5107 ext_blk_list
= NULL
;
5112 * Complete initializing the extent configuration with the
5113 * allocated ids assigned to this function. The bitmask serves
5114 * as an index into the array and manages the available ids. The
5115 * array just stores the ids communicated to the port via the wqes.
5117 for (i
= 0, j
= 0, k
= 0; i
< rsrc_cnt
; i
++) {
5119 rsrc_id
= bf_get(lpfc_mbx_rsrc_id_word4_0
,
5122 rsrc_id
= bf_get(lpfc_mbx_rsrc_id_word4_1
,
5125 rsrc_blks
= kzalloc(length
, GFP_KERNEL
);
5126 if (unlikely(!rsrc_blks
)) {
5132 rsrc_blks
->rsrc_start
= rsrc_id
;
5133 rsrc_blks
->rsrc_size
= rsrc_size
;
5134 list_add_tail(&rsrc_blks
->list
, ext_blk_list
);
5135 rsrc_start
= rsrc_id
;
5136 if ((type
== LPFC_RSC_TYPE_FCOE_XRI
) && (j
== 0))
5137 phba
->sli4_hba
.scsi_xri_start
= rsrc_start
+
5138 lpfc_sli4_get_els_iocb_cnt(phba
);
5140 while (rsrc_id
< (rsrc_start
+ rsrc_size
)) {
5145 /* Entire word processed. Get next word.*/
5150 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
5155 * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent.
5156 * @phba: Pointer to HBA context object.
5157 * @type: the extent's type.
5159 * This function deallocates all extents of a particular resource type.
5160 * SLI4 does not allow for deallocating a particular extent range. It
5161 * is the caller's responsibility to release all kernel memory resources.
5164 lpfc_sli4_dealloc_extent(struct lpfc_hba
*phba
, uint16_t type
)
5167 uint32_t length
, mbox_tmo
= 0;
5169 struct lpfc_mbx_dealloc_rsrc_extents
*dealloc_rsrc
;
5170 struct lpfc_rsrc_blks
*rsrc_blk
, *rsrc_blk_next
;
5172 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5177 * This function sends an embedded mailbox because it only sends the
5178 * the resource type. All extents of this type are released by the
5181 length
= (sizeof(struct lpfc_mbx_dealloc_rsrc_extents
) -
5182 sizeof(struct lpfc_sli4_cfg_mhdr
));
5183 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5184 LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT
,
5185 length
, LPFC_SLI4_MBX_EMBED
);
5187 /* Send an extents count of 0 - the dealloc doesn't use it. */
5188 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, 0, type
,
5189 LPFC_SLI4_MBX_EMBED
);
5194 if (!phba
->sli4_hba
.intr_enable
)
5195 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5197 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox_tmo
);
5198 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5205 dealloc_rsrc
= &mbox
->u
.mqe
.un
.dealloc_rsrc_extents
;
5206 if (bf_get(lpfc_mbox_hdr_status
,
5207 &dealloc_rsrc
->header
.cfg_shdr
.response
)) {
5208 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5209 "2919 Failed to release resource extents "
5210 "for type %d - Status 0x%x Add'l Status 0x%x. "
5211 "Resource memory not released.\n",
5213 bf_get(lpfc_mbox_hdr_status
,
5214 &dealloc_rsrc
->header
.cfg_shdr
.response
),
5215 bf_get(lpfc_mbox_hdr_add_status
,
5216 &dealloc_rsrc
->header
.cfg_shdr
.response
));
5221 /* Release kernel memory resources for the specific type. */
5223 case LPFC_RSC_TYPE_FCOE_VPI
:
5224 kfree(phba
->vpi_bmask
);
5225 kfree(phba
->vpi_ids
);
5226 bf_set(lpfc_vpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5227 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5228 &phba
->lpfc_vpi_blk_list
, list
) {
5229 list_del_init(&rsrc_blk
->list
);
5233 case LPFC_RSC_TYPE_FCOE_XRI
:
5234 kfree(phba
->sli4_hba
.xri_bmask
);
5235 kfree(phba
->sli4_hba
.xri_ids
);
5236 bf_set(lpfc_xri_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5237 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5238 &phba
->sli4_hba
.lpfc_xri_blk_list
, list
) {
5239 list_del_init(&rsrc_blk
->list
);
5243 case LPFC_RSC_TYPE_FCOE_VFI
:
5244 kfree(phba
->sli4_hba
.vfi_bmask
);
5245 kfree(phba
->sli4_hba
.vfi_ids
);
5246 bf_set(lpfc_vfi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5247 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5248 &phba
->sli4_hba
.lpfc_vfi_blk_list
, list
) {
5249 list_del_init(&rsrc_blk
->list
);
5253 case LPFC_RSC_TYPE_FCOE_RPI
:
5254 /* RPI bitmask and physical id array are cleaned up earlier. */
5255 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5256 &phba
->sli4_hba
.lpfc_rpi_blk_list
, list
) {
5257 list_del_init(&rsrc_blk
->list
);
5265 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5268 mempool_free(mbox
, phba
->mbox_mem_pool
);
5273 * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents.
5274 * @phba: Pointer to HBA context object.
5276 * This function allocates all SLI4 resource identifiers.
5279 lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba
*phba
)
5281 int i
, rc
, error
= 0;
5282 uint16_t count
, base
;
5283 unsigned long longs
;
5285 if (phba
->sli4_hba
.extents_in_use
) {
5287 * The port supports resource extents. The XRI, VPI, VFI, RPI
5288 * resource extent count must be read and allocated before
5289 * provisioning the resource id arrays.
5291 if (bf_get(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) ==
5292 LPFC_IDX_RSRC_RDY
) {
5294 * Extent-based resources are set - the driver could
5295 * be in a port reset. Figure out if any corrective
5296 * actions need to be taken.
5298 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5299 LPFC_RSC_TYPE_FCOE_VFI
);
5302 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5303 LPFC_RSC_TYPE_FCOE_VPI
);
5306 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5307 LPFC_RSC_TYPE_FCOE_XRI
);
5310 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5311 LPFC_RSC_TYPE_FCOE_RPI
);
5316 * It's possible that the number of resources
5317 * provided to this port instance changed between
5318 * resets. Detect this condition and reallocate
5319 * resources. Otherwise, there is no action.
5322 lpfc_printf_log(phba
, KERN_INFO
,
5323 LOG_MBOX
| LOG_INIT
,
5324 "2931 Detected extent resource "
5325 "change. Reallocating all "
5327 rc
= lpfc_sli4_dealloc_extent(phba
,
5328 LPFC_RSC_TYPE_FCOE_VFI
);
5329 rc
= lpfc_sli4_dealloc_extent(phba
,
5330 LPFC_RSC_TYPE_FCOE_VPI
);
5331 rc
= lpfc_sli4_dealloc_extent(phba
,
5332 LPFC_RSC_TYPE_FCOE_XRI
);
5333 rc
= lpfc_sli4_dealloc_extent(phba
,
5334 LPFC_RSC_TYPE_FCOE_RPI
);
5339 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VFI
);
5343 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VPI
);
5347 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_RPI
);
5351 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_XRI
);
5354 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
5359 * The port does not support resource extents. The XRI, VPI,
5360 * VFI, RPI resource ids were determined from READ_CONFIG.
5361 * Just allocate the bitmasks and provision the resource id
5362 * arrays. If a port reset is active, the resources don't
5363 * need any action - just exit.
5365 if (bf_get(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) ==
5370 count
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
5371 base
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
5372 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5373 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
*
5374 sizeof(unsigned long),
5376 if (unlikely(!phba
->sli4_hba
.rpi_bmask
)) {
5380 phba
->sli4_hba
.rpi_ids
= kzalloc(count
*
5383 if (unlikely(!phba
->sli4_hba
.rpi_ids
)) {
5385 goto free_rpi_bmask
;
5388 for (i
= 0; i
< count
; i
++)
5389 phba
->sli4_hba
.rpi_ids
[i
] = base
+ i
;
5392 count
= phba
->sli4_hba
.max_cfg_param
.max_vpi
;
5393 base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
5394 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5395 phba
->vpi_bmask
= kzalloc(longs
*
5396 sizeof(unsigned long),
5398 if (unlikely(!phba
->vpi_bmask
)) {
5402 phba
->vpi_ids
= kzalloc(count
*
5405 if (unlikely(!phba
->vpi_ids
)) {
5407 goto free_vpi_bmask
;
5410 for (i
= 0; i
< count
; i
++)
5411 phba
->vpi_ids
[i
] = base
+ i
;
5414 count
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5415 base
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
5416 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5417 phba
->sli4_hba
.xri_bmask
= kzalloc(longs
*
5418 sizeof(unsigned long),
5420 if (unlikely(!phba
->sli4_hba
.xri_bmask
)) {
5424 phba
->sli4_hba
.xri_ids
= kzalloc(count
*
5427 if (unlikely(!phba
->sli4_hba
.xri_ids
)) {
5429 goto free_xri_bmask
;
5432 for (i
= 0; i
< count
; i
++)
5433 phba
->sli4_hba
.xri_ids
[i
] = base
+ i
;
5436 count
= phba
->sli4_hba
.max_cfg_param
.max_vfi
;
5437 base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
5438 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5439 phba
->sli4_hba
.vfi_bmask
= kzalloc(longs
*
5440 sizeof(unsigned long),
5442 if (unlikely(!phba
->sli4_hba
.vfi_bmask
)) {
5446 phba
->sli4_hba
.vfi_ids
= kzalloc(count
*
5449 if (unlikely(!phba
->sli4_hba
.vfi_ids
)) {
5451 goto free_vfi_bmask
;
5454 for (i
= 0; i
< count
; i
++)
5455 phba
->sli4_hba
.vfi_ids
[i
] = base
+ i
;
5458 * Mark all resources ready. An HBA reset doesn't need
5459 * to reset the initialization.
5461 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
5467 kfree(phba
->sli4_hba
.vfi_bmask
);
5469 kfree(phba
->sli4_hba
.xri_ids
);
5471 kfree(phba
->sli4_hba
.xri_bmask
);
5473 kfree(phba
->vpi_ids
);
5475 kfree(phba
->vpi_bmask
);
5477 kfree(phba
->sli4_hba
.rpi_ids
);
5479 kfree(phba
->sli4_hba
.rpi_bmask
);
5485 * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents.
5486 * @phba: Pointer to HBA context object.
5488 * This function allocates the number of elements for the specified
5492 lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba
*phba
)
5494 if (phba
->sli4_hba
.extents_in_use
) {
5495 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VPI
);
5496 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_RPI
);
5497 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_XRI
);
5498 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VFI
);
5500 kfree(phba
->vpi_bmask
);
5501 kfree(phba
->vpi_ids
);
5502 bf_set(lpfc_vpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5503 kfree(phba
->sli4_hba
.xri_bmask
);
5504 kfree(phba
->sli4_hba
.xri_ids
);
5505 bf_set(lpfc_xri_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5506 kfree(phba
->sli4_hba
.vfi_bmask
);
5507 kfree(phba
->sli4_hba
.vfi_ids
);
5508 bf_set(lpfc_vfi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5509 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5516 * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents.
5517 * @phba: Pointer to HBA context object.
5518 * @type: The resource extent type.
5519 * @extnt_count: buffer to hold port extent count response
5520 * @extnt_size: buffer to hold port extent size response.
5522 * This function calls the port to read the host allocated extents
5523 * for a particular type.
5526 lpfc_sli4_get_allocated_extnts(struct lpfc_hba
*phba
, uint16_t type
,
5527 uint16_t *extnt_cnt
, uint16_t *extnt_size
)
5531 uint16_t curr_blks
= 0;
5532 uint32_t req_len
, emb_len
;
5533 uint32_t alloc_len
, mbox_tmo
;
5534 struct list_head
*blk_list_head
;
5535 struct lpfc_rsrc_blks
*rsrc_blk
;
5537 void *virtaddr
= NULL
;
5538 struct lpfc_mbx_nembed_rsrc_extent
*n_rsrc
;
5539 struct lpfc_mbx_alloc_rsrc_extents
*rsrc_ext
;
5540 union lpfc_sli4_cfg_shdr
*shdr
;
5543 case LPFC_RSC_TYPE_FCOE_VPI
:
5544 blk_list_head
= &phba
->lpfc_vpi_blk_list
;
5546 case LPFC_RSC_TYPE_FCOE_XRI
:
5547 blk_list_head
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
5549 case LPFC_RSC_TYPE_FCOE_VFI
:
5550 blk_list_head
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
5552 case LPFC_RSC_TYPE_FCOE_RPI
:
5553 blk_list_head
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
5559 /* Count the number of extents currently allocatd for this type. */
5560 list_for_each_entry(rsrc_blk
, blk_list_head
, list
) {
5561 if (curr_blks
== 0) {
5563 * The GET_ALLOCATED mailbox does not return the size,
5564 * just the count. The size should be just the size
5565 * stored in the current allocated block and all sizes
5566 * for an extent type are the same so set the return
5569 *extnt_size
= rsrc_blk
->rsrc_size
;
5574 /* Calculate the total requested length of the dma memory. */
5575 req_len
= curr_blks
* sizeof(uint16_t);
5578 * Calculate the size of an embedded mailbox. The uint32_t
5579 * accounts for extents-specific word.
5581 emb_len
= sizeof(MAILBOX_t
) - sizeof(struct mbox_header
) -
5585 * Presume the allocation and response will fit into an embedded
5586 * mailbox. If not true, reconfigure to a non-embedded mailbox.
5588 emb
= LPFC_SLI4_MBX_EMBED
;
5590 if (req_len
> emb_len
) {
5591 req_len
= curr_blks
* sizeof(uint16_t) +
5592 sizeof(union lpfc_sli4_cfg_shdr
) +
5594 emb
= LPFC_SLI4_MBX_NEMBED
;
5597 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5600 memset(mbox
, 0, sizeof(LPFC_MBOXQ_t
));
5602 alloc_len
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5603 LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT
,
5605 if (alloc_len
< req_len
) {
5606 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5607 "2983 Allocated DMA memory size (x%x) is "
5608 "less than the requested DMA memory "
5609 "size (x%x)\n", alloc_len
, req_len
);
5613 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, curr_blks
, type
, emb
);
5619 if (!phba
->sli4_hba
.intr_enable
)
5620 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5622 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
5623 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5632 * Figure out where the response is located. Then get local pointers
5633 * to the response data. The port does not guarantee to respond to
5634 * all extents counts request so update the local variable with the
5635 * allocated count from the port.
5637 if (emb
== LPFC_SLI4_MBX_EMBED
) {
5638 rsrc_ext
= &mbox
->u
.mqe
.un
.alloc_rsrc_extents
;
5639 shdr
= &rsrc_ext
->header
.cfg_shdr
;
5640 *extnt_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, &rsrc_ext
->u
.rsp
);
5642 virtaddr
= mbox
->sge_array
->addr
[0];
5643 n_rsrc
= (struct lpfc_mbx_nembed_rsrc_extent
*) virtaddr
;
5644 shdr
= &n_rsrc
->cfg_shdr
;
5645 *extnt_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, n_rsrc
);
5648 if (bf_get(lpfc_mbox_hdr_status
, &shdr
->response
)) {
5649 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5650 "2984 Failed to read allocated resources "
5651 "for type %d - Status 0x%x Add'l Status 0x%x.\n",
5653 bf_get(lpfc_mbox_hdr_status
, &shdr
->response
),
5654 bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
));
5659 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
5664 * lpfc_sli4_hba_setup - SLI4 device intialization PCI function
5665 * @phba: Pointer to HBA context object.
5667 * This function is the main SLI4 device intialization PCI function. This
5668 * function is called by the HBA intialization code, HBA reset code and
5669 * HBA error attention handler code. Caller is not required to hold any
5673 lpfc_sli4_hba_setup(struct lpfc_hba
*phba
)
5676 LPFC_MBOXQ_t
*mboxq
;
5677 struct lpfc_mqe
*mqe
;
5680 uint32_t ftr_rsp
= 0;
5681 struct Scsi_Host
*shost
= lpfc_shost_from_vport(phba
->pport
);
5682 struct lpfc_vport
*vport
= phba
->pport
;
5683 struct lpfc_dmabuf
*mp
;
5685 /* Perform a PCI function reset to start from clean */
5686 rc
= lpfc_pci_function_reset(phba
);
5690 /* Check the HBA Host Status Register for readyness */
5691 rc
= lpfc_sli4_post_status_check(phba
);
5695 spin_lock_irq(&phba
->hbalock
);
5696 phba
->sli
.sli_flag
|= LPFC_SLI_ACTIVE
;
5697 spin_unlock_irq(&phba
->hbalock
);
5701 * Allocate a single mailbox container for initializing the
5704 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5709 * Continue initialization with default values even if driver failed
5710 * to read FCoE param config regions
5712 if (lpfc_sli4_read_fcoe_params(phba
, mboxq
))
5713 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_INIT
,
5714 "2570 Failed to read FCoE parameters\n");
5716 /* Issue READ_REV to collect vpd and FW information. */
5717 vpd_size
= SLI4_PAGE_SIZE
;
5718 vpd
= kzalloc(vpd_size
, GFP_KERNEL
);
5724 rc
= lpfc_sli4_read_rev(phba
, mboxq
, vpd
, &vpd_size
);
5729 mqe
= &mboxq
->u
.mqe
;
5730 phba
->sli_rev
= bf_get(lpfc_mbx_rd_rev_sli_lvl
, &mqe
->un
.read_rev
);
5731 if (bf_get(lpfc_mbx_rd_rev_fcoe
, &mqe
->un
.read_rev
))
5732 phba
->hba_flag
|= HBA_FCOE_MODE
;
5734 phba
->hba_flag
&= ~HBA_FCOE_MODE
;
5736 if (bf_get(lpfc_mbx_rd_rev_cee_ver
, &mqe
->un
.read_rev
) ==
5738 phba
->hba_flag
|= HBA_FIP_SUPPORT
;
5740 phba
->hba_flag
&= ~HBA_FIP_SUPPORT
;
5742 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
5743 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5744 "0376 READ_REV Error. SLI Level %d "
5745 "FCoE enabled %d\n",
5746 phba
->sli_rev
, phba
->hba_flag
& HBA_FCOE_MODE
);
5752 * Evaluate the read rev and vpd data. Populate the driver
5753 * state with the results. If this routine fails, the failure
5754 * is not fatal as the driver will use generic values.
5756 rc
= lpfc_parse_vpd(phba
, vpd
, vpd_size
);
5757 if (unlikely(!rc
)) {
5758 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5759 "0377 Error %d parsing vpd. "
5760 "Using defaults.\n", rc
);
5765 /* Save information as VPD data */
5766 phba
->vpd
.rev
.biuRev
= mqe
->un
.read_rev
.first_hw_rev
;
5767 phba
->vpd
.rev
.smRev
= mqe
->un
.read_rev
.second_hw_rev
;
5768 phba
->vpd
.rev
.endecRev
= mqe
->un
.read_rev
.third_hw_rev
;
5769 phba
->vpd
.rev
.fcphHigh
= bf_get(lpfc_mbx_rd_rev_fcph_high
,
5771 phba
->vpd
.rev
.fcphLow
= bf_get(lpfc_mbx_rd_rev_fcph_low
,
5773 phba
->vpd
.rev
.feaLevelHigh
= bf_get(lpfc_mbx_rd_rev_ftr_lvl_high
,
5775 phba
->vpd
.rev
.feaLevelLow
= bf_get(lpfc_mbx_rd_rev_ftr_lvl_low
,
5777 phba
->vpd
.rev
.sli1FwRev
= mqe
->un
.read_rev
.fw_id_rev
;
5778 memcpy(phba
->vpd
.rev
.sli1FwName
, mqe
->un
.read_rev
.fw_name
, 16);
5779 phba
->vpd
.rev
.sli2FwRev
= mqe
->un
.read_rev
.ulp_fw_id_rev
;
5780 memcpy(phba
->vpd
.rev
.sli2FwName
, mqe
->un
.read_rev
.ulp_fw_name
, 16);
5781 phba
->vpd
.rev
.opFwRev
= mqe
->un
.read_rev
.fw_id_rev
;
5782 memcpy(phba
->vpd
.rev
.opFwName
, mqe
->un
.read_rev
.fw_name
, 16);
5783 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
5784 "(%d):0380 READ_REV Status x%x "
5785 "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n",
5786 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
5787 bf_get(lpfc_mqe_status
, mqe
),
5788 phba
->vpd
.rev
.opFwName
,
5789 phba
->vpd
.rev
.fcphHigh
, phba
->vpd
.rev
.fcphLow
,
5790 phba
->vpd
.rev
.feaLevelHigh
, phba
->vpd
.rev
.feaLevelLow
);
5793 * Discover the port's supported feature set and match it against the
5796 lpfc_request_features(phba
, mboxq
);
5797 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5804 * The port must support FCP initiator mode as this is the
5805 * only mode running in the host.
5807 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi
, &mqe
->un
.req_ftrs
))) {
5808 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
5809 "0378 No support for fcpi mode.\n");
5812 if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh
, &mqe
->un
.req_ftrs
))
5813 phba
->sli3_options
|= LPFC_SLI4_PERFH_ENABLED
;
5815 phba
->sli3_options
&= ~LPFC_SLI4_PERFH_ENABLED
;
5817 * If the port cannot support the host's requested features
5818 * then turn off the global config parameters to disable the
5819 * feature in the driver. This is not a fatal error.
5821 phba
->sli3_options
&= ~LPFC_SLI3_BG_ENABLED
;
5822 if (phba
->cfg_enable_bg
) {
5823 if (bf_get(lpfc_mbx_rq_ftr_rsp_dif
, &mqe
->un
.req_ftrs
))
5824 phba
->sli3_options
|= LPFC_SLI3_BG_ENABLED
;
5829 if (phba
->max_vpi
&& phba
->cfg_enable_npiv
&&
5830 !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv
, &mqe
->un
.req_ftrs
)))
5834 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
5835 "0379 Feature Mismatch Data: x%08x %08x "
5836 "x%x x%x x%x\n", mqe
->un
.req_ftrs
.word2
,
5837 mqe
->un
.req_ftrs
.word3
, phba
->cfg_enable_bg
,
5838 phba
->cfg_enable_npiv
, phba
->max_vpi
);
5839 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif
, &mqe
->un
.req_ftrs
)))
5840 phba
->cfg_enable_bg
= 0;
5841 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv
, &mqe
->un
.req_ftrs
)))
5842 phba
->cfg_enable_npiv
= 0;
5845 /* These SLI3 features are assumed in SLI4 */
5846 spin_lock_irq(&phba
->hbalock
);
5847 phba
->sli3_options
|= (LPFC_SLI3_NPIV_ENABLED
| LPFC_SLI3_HBQ_ENABLED
);
5848 spin_unlock_irq(&phba
->hbalock
);
5851 * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent
5852 * calls depends on these resources to complete port setup.
5854 rc
= lpfc_sli4_alloc_resource_identifiers(phba
);
5856 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5857 "2920 Failed to alloc Resource IDs "
5862 /* Read the port's service parameters. */
5863 rc
= lpfc_read_sparam(phba
, mboxq
, vport
->vpi
);
5865 phba
->link_state
= LPFC_HBA_ERROR
;
5870 mboxq
->vport
= vport
;
5871 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5872 mp
= (struct lpfc_dmabuf
*) mboxq
->context1
;
5873 if (rc
== MBX_SUCCESS
) {
5874 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof(struct serv_parm
));
5879 * This memory was allocated by the lpfc_read_sparam routine. Release
5880 * it to the mbuf pool.
5882 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
5884 mboxq
->context1
= NULL
;
5886 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5887 "0382 READ_SPARAM command failed "
5888 "status %d, mbxStatus x%x\n",
5889 rc
, bf_get(lpfc_mqe_status
, mqe
));
5890 phba
->link_state
= LPFC_HBA_ERROR
;
5895 lpfc_update_vport_wwn(vport
);
5897 /* Update the fc_host data structures with new wwn. */
5898 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
5899 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
5901 /* Register SGL pool to the device using non-embedded mailbox command */
5902 if (!phba
->sli4_hba
.extents_in_use
) {
5903 rc
= lpfc_sli4_post_els_sgl_list(phba
);
5905 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5906 "0582 Error %d during els sgl post "
5912 rc
= lpfc_sli4_post_els_sgl_list_ext(phba
);
5914 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5915 "2560 Error %d during els sgl post "
5922 /* Register SCSI SGL pool to the device */
5923 rc
= lpfc_sli4_repost_scsi_sgl_list(phba
);
5925 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5926 "0383 Error %d during scsi sgl post "
5928 /* Some Scsi buffers were moved to the abort scsi list */
5929 /* A pci function reset will repost them */
5934 /* Post the rpi header region to the device. */
5935 rc
= lpfc_sli4_post_all_rpi_hdrs(phba
);
5937 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5938 "0393 Error %d during rpi post operation\n",
5944 /* Set up all the queues to the device */
5945 rc
= lpfc_sli4_queue_setup(phba
);
5947 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5948 "0381 Error %d during queue setup.\n ", rc
);
5949 goto out_stop_timers
;
5952 /* Arm the CQs and then EQs on device */
5953 lpfc_sli4_arm_cqeq_intr(phba
);
5955 /* Indicate device interrupt mode */
5956 phba
->sli4_hba
.intr_enable
= 1;
5958 /* Allow asynchronous mailbox command to go through */
5959 spin_lock_irq(&phba
->hbalock
);
5960 phba
->sli
.sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
5961 spin_unlock_irq(&phba
->hbalock
);
5963 /* Post receive buffers to the device */
5964 lpfc_sli4_rb_setup(phba
);
5966 /* Reset HBA FCF states after HBA reset */
5967 phba
->fcf
.fcf_flag
= 0;
5968 phba
->fcf
.current_rec
.flag
= 0;
5970 /* Start the ELS watchdog timer */
5971 mod_timer(&vport
->els_tmofunc
,
5972 jiffies
+ HZ
* (phba
->fc_ratov
* 2));
5974 /* Start heart beat timer */
5975 mod_timer(&phba
->hb_tmofunc
,
5976 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
5977 phba
->hb_outstanding
= 0;
5978 phba
->last_completion_time
= jiffies
;
5980 /* Start error attention (ERATT) polling timer */
5981 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
5983 /* Enable PCIe device Advanced Error Reporting (AER) if configured */
5984 if (phba
->cfg_aer_support
== 1 && !(phba
->hba_flag
& HBA_AER_ENABLED
)) {
5985 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
5987 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5988 "2829 This device supports "
5989 "Advanced Error Reporting (AER)\n");
5990 spin_lock_irq(&phba
->hbalock
);
5991 phba
->hba_flag
|= HBA_AER_ENABLED
;
5992 spin_unlock_irq(&phba
->hbalock
);
5994 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5995 "2830 This device does not support "
5996 "Advanced Error Reporting (AER)\n");
5997 phba
->cfg_aer_support
= 0;
6002 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
6004 * The FC Port needs to register FCFI (index 0)
6006 lpfc_reg_fcfi(phba
, mboxq
);
6007 mboxq
->vport
= phba
->pport
;
6008 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6009 if (rc
!= MBX_SUCCESS
)
6010 goto out_unset_queue
;
6012 phba
->fcf
.fcfi
= bf_get(lpfc_reg_fcfi_fcfi
,
6013 &mboxq
->u
.mqe
.un
.reg_fcfi
);
6016 * The port is ready, set the host's link state to LINK_DOWN
6017 * in preparation for link interrupts.
6019 spin_lock_irq(&phba
->hbalock
);
6020 phba
->link_state
= LPFC_LINK_DOWN
;
6021 spin_unlock_irq(&phba
->hbalock
);
6022 if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
)
6023 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
6025 /* Unset all the queues set up in this routine when error out */
6027 lpfc_sli4_queue_unset(phba
);
6030 lpfc_stop_hba_timers(phba
);
6032 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6037 * lpfc_mbox_timeout - Timeout call back function for mbox timer
6038 * @ptr: context object - pointer to hba structure.
6040 * This is the callback function for mailbox timer. The mailbox
6041 * timer is armed when a new mailbox command is issued and the timer
6042 * is deleted when the mailbox complete. The function is called by
6043 * the kernel timer code when a mailbox does not complete within
6044 * expected time. This function wakes up the worker thread to
6045 * process the mailbox timeout and returns. All the processing is
6046 * done by the worker thread function lpfc_mbox_timeout_handler.
6049 lpfc_mbox_timeout(unsigned long ptr
)
6051 struct lpfc_hba
*phba
= (struct lpfc_hba
*) ptr
;
6052 unsigned long iflag
;
6053 uint32_t tmo_posted
;
6055 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
6056 tmo_posted
= phba
->pport
->work_port_events
& WORKER_MBOX_TMO
;
6058 phba
->pport
->work_port_events
|= WORKER_MBOX_TMO
;
6059 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
6062 lpfc_worker_wake_up(phba
);
6068 * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout
6069 * @phba: Pointer to HBA context object.
6071 * This function is called from worker thread when a mailbox command times out.
6072 * The caller is not required to hold any locks. This function will reset the
6073 * HBA and recover all the pending commands.
6076 lpfc_mbox_timeout_handler(struct lpfc_hba
*phba
)
6078 LPFC_MBOXQ_t
*pmbox
= phba
->sli
.mbox_active
;
6079 MAILBOX_t
*mb
= &pmbox
->u
.mb
;
6080 struct lpfc_sli
*psli
= &phba
->sli
;
6081 struct lpfc_sli_ring
*pring
;
6083 /* Check the pmbox pointer first. There is a race condition
6084 * between the mbox timeout handler getting executed in the
6085 * worklist and the mailbox actually completing. When this
6086 * race condition occurs, the mbox_active will be NULL.
6088 spin_lock_irq(&phba
->hbalock
);
6089 if (pmbox
== NULL
) {
6090 lpfc_printf_log(phba
, KERN_WARNING
,
6092 "0353 Active Mailbox cleared - mailbox timeout "
6094 spin_unlock_irq(&phba
->hbalock
);
6098 /* Mbox cmd <mbxCommand> timeout */
6099 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6100 "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
6102 phba
->pport
->port_state
,
6104 phba
->sli
.mbox_active
);
6105 spin_unlock_irq(&phba
->hbalock
);
6107 /* Setting state unknown so lpfc_sli_abort_iocb_ring
6108 * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing
6109 * it to fail all outstanding SCSI IO.
6111 spin_lock_irq(&phba
->pport
->work_port_lock
);
6112 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
6113 spin_unlock_irq(&phba
->pport
->work_port_lock
);
6114 spin_lock_irq(&phba
->hbalock
);
6115 phba
->link_state
= LPFC_LINK_UNKNOWN
;
6116 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
6117 spin_unlock_irq(&phba
->hbalock
);
6119 pring
= &psli
->ring
[psli
->fcp_ring
];
6120 lpfc_sli_abort_iocb_ring(phba
, pring
);
6122 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6123 "0345 Resetting board due to mailbox timeout\n");
6125 /* Reset the HBA device */
6126 lpfc_reset_hba(phba
);
6130 * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware
6131 * @phba: Pointer to HBA context object.
6132 * @pmbox: Pointer to mailbox object.
6133 * @flag: Flag indicating how the mailbox need to be processed.
6135 * This function is called by discovery code and HBA management code
6136 * to submit a mailbox command to firmware with SLI-3 interface spec. This
6137 * function gets the hbalock to protect the data structures.
6138 * The mailbox command can be submitted in polling mode, in which case
6139 * this function will wait in a polling loop for the completion of the
6141 * If the mailbox is submitted in no_wait mode (not polling) the
6142 * function will submit the command and returns immediately without waiting
6143 * for the mailbox completion. The no_wait is supported only when HBA
6144 * is in SLI2/SLI3 mode - interrupts are enabled.
6145 * The SLI interface allows only one mailbox pending at a time. If the
6146 * mailbox is issued in polling mode and there is already a mailbox
6147 * pending, then the function will return an error. If the mailbox is issued
6148 * in NO_WAIT mode and there is a mailbox pending already, the function
6149 * will return MBX_BUSY after queuing the mailbox into mailbox queue.
6150 * The sli layer owns the mailbox object until the completion of mailbox
6151 * command if this function return MBX_BUSY or MBX_SUCCESS. For all other
6152 * return codes the caller owns the mailbox command after the return of
6156 lpfc_sli_issue_mbox_s3(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmbox
,
6160 struct lpfc_sli
*psli
= &phba
->sli
;
6161 uint32_t status
, evtctr
;
6162 uint32_t ha_copy
, hc_copy
;
6164 unsigned long timeout
;
6165 unsigned long drvr_flag
= 0;
6166 uint32_t word0
, ldata
;
6167 void __iomem
*to_slim
;
6168 int processing_queue
= 0;
6170 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
6172 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6173 /* processing mbox queue from intr_handler */
6174 if (unlikely(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
6175 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6178 processing_queue
= 1;
6179 pmbox
= lpfc_mbox_get(phba
);
6181 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6186 if (pmbox
->mbox_cmpl
&& pmbox
->mbox_cmpl
!= lpfc_sli_def_mbox_cmpl
&&
6187 pmbox
->mbox_cmpl
!= lpfc_sli_wake_mbox_wait
) {
6189 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6190 lpfc_printf_log(phba
, KERN_ERR
,
6191 LOG_MBOX
| LOG_VPORT
,
6192 "1806 Mbox x%x failed. No vport\n",
6193 pmbox
->u
.mb
.mbxCommand
);
6195 goto out_not_finished
;
6199 /* If the PCI channel is in offline state, do not post mbox. */
6200 if (unlikely(pci_channel_offline(phba
->pcidev
))) {
6201 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6202 goto out_not_finished
;
6205 /* If HBA has a deferred error attention, fail the iocb. */
6206 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
6207 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6208 goto out_not_finished
;
6214 status
= MBX_SUCCESS
;
6216 if (phba
->link_state
== LPFC_HBA_ERROR
) {
6217 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6219 /* Mbox command <mbxCommand> cannot issue */
6220 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6221 "(%d):0311 Mailbox command x%x cannot "
6222 "issue Data: x%x x%x\n",
6223 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6224 pmbox
->u
.mb
.mbxCommand
, psli
->sli_flag
, flag
);
6225 goto out_not_finished
;
6228 if (mb
->mbxCommand
!= MBX_KILL_BOARD
&& flag
& MBX_NOWAIT
) {
6229 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
) ||
6230 !(hc_copy
& HC_MBINT_ENA
)) {
6231 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6232 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6233 "(%d):2528 Mailbox command x%x cannot "
6234 "issue Data: x%x x%x\n",
6235 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6236 pmbox
->u
.mb
.mbxCommand
, psli
->sli_flag
, flag
);
6237 goto out_not_finished
;
6241 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6242 /* Polling for a mbox command when another one is already active
6243 * is not allowed in SLI. Also, the driver must have established
6244 * SLI2 mode to queue and process multiple mbox commands.
6247 if (flag
& MBX_POLL
) {
6248 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6250 /* Mbox command <mbxCommand> cannot issue */
6251 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6252 "(%d):2529 Mailbox command x%x "
6253 "cannot issue Data: x%x x%x\n",
6254 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6255 pmbox
->u
.mb
.mbxCommand
,
6256 psli
->sli_flag
, flag
);
6257 goto out_not_finished
;
6260 if (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)) {
6261 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6262 /* Mbox command <mbxCommand> cannot issue */
6263 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6264 "(%d):2530 Mailbox command x%x "
6265 "cannot issue Data: x%x x%x\n",
6266 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6267 pmbox
->u
.mb
.mbxCommand
,
6268 psli
->sli_flag
, flag
);
6269 goto out_not_finished
;
6272 /* Another mailbox command is still being processed, queue this
6273 * command to be processed later.
6275 lpfc_mbox_put(phba
, pmbox
);
6277 /* Mbox cmd issue - BUSY */
6278 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6279 "(%d):0308 Mbox cmd issue - BUSY Data: "
6280 "x%x x%x x%x x%x\n",
6281 pmbox
->vport
? pmbox
->vport
->vpi
: 0xffffff,
6282 mb
->mbxCommand
, phba
->pport
->port_state
,
6283 psli
->sli_flag
, flag
);
6285 psli
->slistat
.mbox_busy
++;
6286 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6289 lpfc_debugfs_disc_trc(pmbox
->vport
,
6290 LPFC_DISC_TRC_MBOX_VPORT
,
6291 "MBOX Bsy vport: cmd:x%x mb:x%x x%x",
6292 (uint32_t)mb
->mbxCommand
,
6293 mb
->un
.varWords
[0], mb
->un
.varWords
[1]);
6296 lpfc_debugfs_disc_trc(phba
->pport
,
6298 "MBOX Bsy: cmd:x%x mb:x%x x%x",
6299 (uint32_t)mb
->mbxCommand
,
6300 mb
->un
.varWords
[0], mb
->un
.varWords
[1]);
6306 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
6308 /* If we are not polling, we MUST be in SLI2 mode */
6309 if (flag
!= MBX_POLL
) {
6310 if (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
) &&
6311 (mb
->mbxCommand
!= MBX_KILL_BOARD
)) {
6312 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6313 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6314 /* Mbox command <mbxCommand> cannot issue */
6315 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6316 "(%d):2531 Mailbox command x%x "
6317 "cannot issue Data: x%x x%x\n",
6318 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6319 pmbox
->u
.mb
.mbxCommand
,
6320 psli
->sli_flag
, flag
);
6321 goto out_not_finished
;
6323 /* timeout active mbox command */
6324 mod_timer(&psli
->mbox_tmo
, (jiffies
+
6325 (HZ
* lpfc_mbox_tmo_val(phba
, mb
->mbxCommand
))));
6328 /* Mailbox cmd <cmd> issue */
6329 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6330 "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x "
6332 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6333 mb
->mbxCommand
, phba
->pport
->port_state
,
6334 psli
->sli_flag
, flag
);
6336 if (mb
->mbxCommand
!= MBX_HEARTBEAT
) {
6338 lpfc_debugfs_disc_trc(pmbox
->vport
,
6339 LPFC_DISC_TRC_MBOX_VPORT
,
6340 "MBOX Send vport: cmd:x%x mb:x%x x%x",
6341 (uint32_t)mb
->mbxCommand
,
6342 mb
->un
.varWords
[0], mb
->un
.varWords
[1]);
6345 lpfc_debugfs_disc_trc(phba
->pport
,
6347 "MBOX Send: cmd:x%x mb:x%x x%x",
6348 (uint32_t)mb
->mbxCommand
,
6349 mb
->un
.varWords
[0], mb
->un
.varWords
[1]);
6353 psli
->slistat
.mbox_cmd
++;
6354 evtctr
= psli
->slistat
.mbox_event
;
6356 /* next set own bit for the adapter and copy over command word */
6357 mb
->mbxOwner
= OWN_CHIP
;
6359 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
6360 /* Populate mbox extension offset word. */
6361 if (pmbox
->in_ext_byte_len
|| pmbox
->out_ext_byte_len
) {
6362 *(((uint32_t *)mb
) + pmbox
->mbox_offset_word
)
6363 = (uint8_t *)phba
->mbox_ext
6364 - (uint8_t *)phba
->mbox
;
6367 /* Copy the mailbox extension data */
6368 if (pmbox
->in_ext_byte_len
&& pmbox
->context2
) {
6369 lpfc_sli_pcimem_bcopy(pmbox
->context2
,
6370 (uint8_t *)phba
->mbox_ext
,
6371 pmbox
->in_ext_byte_len
);
6373 /* Copy command data to host SLIM area */
6374 lpfc_sli_pcimem_bcopy(mb
, phba
->mbox
, MAILBOX_CMD_SIZE
);
6376 /* Populate mbox extension offset word. */
6377 if (pmbox
->in_ext_byte_len
|| pmbox
->out_ext_byte_len
)
6378 *(((uint32_t *)mb
) + pmbox
->mbox_offset_word
)
6379 = MAILBOX_HBA_EXT_OFFSET
;
6381 /* Copy the mailbox extension data */
6382 if (pmbox
->in_ext_byte_len
&& pmbox
->context2
) {
6383 lpfc_memcpy_to_slim(phba
->MBslimaddr
+
6384 MAILBOX_HBA_EXT_OFFSET
,
6385 pmbox
->context2
, pmbox
->in_ext_byte_len
);
6388 if (mb
->mbxCommand
== MBX_CONFIG_PORT
) {
6389 /* copy command data into host mbox for cmpl */
6390 lpfc_sli_pcimem_bcopy(mb
, phba
->mbox
, MAILBOX_CMD_SIZE
);
6393 /* First copy mbox command data to HBA SLIM, skip past first
6395 to_slim
= phba
->MBslimaddr
+ sizeof (uint32_t);
6396 lpfc_memcpy_to_slim(to_slim
, &mb
->un
.varWords
[0],
6397 MAILBOX_CMD_SIZE
- sizeof (uint32_t));
6399 /* Next copy over first word, with mbxOwner set */
6400 ldata
= *((uint32_t *)mb
);
6401 to_slim
= phba
->MBslimaddr
;
6402 writel(ldata
, to_slim
);
6403 readl(to_slim
); /* flush */
6405 if (mb
->mbxCommand
== MBX_CONFIG_PORT
) {
6406 /* switch over to host mailbox */
6407 psli
->sli_flag
|= LPFC_SLI_ACTIVE
;
6415 /* Set up reference to mailbox command */
6416 psli
->mbox_active
= pmbox
;
6417 /* Interrupt board to do it */
6418 writel(CA_MBATT
, phba
->CAregaddr
);
6419 readl(phba
->CAregaddr
); /* flush */
6420 /* Don't wait for it to finish, just return */
6424 /* Set up null reference to mailbox command */
6425 psli
->mbox_active
= NULL
;
6426 /* Interrupt board to do it */
6427 writel(CA_MBATT
, phba
->CAregaddr
);
6428 readl(phba
->CAregaddr
); /* flush */
6430 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
6431 /* First read mbox status word */
6432 word0
= *((uint32_t *)phba
->mbox
);
6433 word0
= le32_to_cpu(word0
);
6435 /* First read mbox status word */
6436 if (lpfc_readl(phba
->MBslimaddr
, &word0
)) {
6437 spin_unlock_irqrestore(&phba
->hbalock
,
6439 goto out_not_finished
;
6443 /* Read the HBA Host Attention Register */
6444 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
)) {
6445 spin_unlock_irqrestore(&phba
->hbalock
,
6447 goto out_not_finished
;
6449 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
6453 /* Wait for command to complete */
6454 while (((word0
& OWN_CHIP
) == OWN_CHIP
) ||
6455 (!(ha_copy
& HA_MBATT
) &&
6456 (phba
->link_state
> LPFC_WARM_START
))) {
6457 if (time_after(jiffies
, timeout
)) {
6458 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6459 spin_unlock_irqrestore(&phba
->hbalock
,
6461 goto out_not_finished
;
6464 /* Check if we took a mbox interrupt while we were
6466 if (((word0
& OWN_CHIP
) != OWN_CHIP
)
6467 && (evtctr
!= psli
->slistat
.mbox_event
))
6471 spin_unlock_irqrestore(&phba
->hbalock
,
6474 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
6477 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
6478 /* First copy command data */
6479 word0
= *((uint32_t *)phba
->mbox
);
6480 word0
= le32_to_cpu(word0
);
6481 if (mb
->mbxCommand
== MBX_CONFIG_PORT
) {
6484 /* Check real SLIM for any errors */
6485 slimword0
= readl(phba
->MBslimaddr
);
6486 slimmb
= (MAILBOX_t
*) & slimword0
;
6487 if (((slimword0
& OWN_CHIP
) != OWN_CHIP
)
6488 && slimmb
->mbxStatus
) {
6495 /* First copy command data */
6496 word0
= readl(phba
->MBslimaddr
);
6498 /* Read the HBA Host Attention Register */
6499 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
)) {
6500 spin_unlock_irqrestore(&phba
->hbalock
,
6502 goto out_not_finished
;
6506 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
6507 /* copy results back to user */
6508 lpfc_sli_pcimem_bcopy(phba
->mbox
, mb
, MAILBOX_CMD_SIZE
);
6509 /* Copy the mailbox extension data */
6510 if (pmbox
->out_ext_byte_len
&& pmbox
->context2
) {
6511 lpfc_sli_pcimem_bcopy(phba
->mbox_ext
,
6513 pmbox
->out_ext_byte_len
);
6516 /* First copy command data */
6517 lpfc_memcpy_from_slim(mb
, phba
->MBslimaddr
,
6519 /* Copy the mailbox extension data */
6520 if (pmbox
->out_ext_byte_len
&& pmbox
->context2
) {
6521 lpfc_memcpy_from_slim(pmbox
->context2
,
6523 MAILBOX_HBA_EXT_OFFSET
,
6524 pmbox
->out_ext_byte_len
);
6528 writel(HA_MBATT
, phba
->HAregaddr
);
6529 readl(phba
->HAregaddr
); /* flush */
6531 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6532 status
= mb
->mbxStatus
;
6535 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6539 if (processing_queue
) {
6540 pmbox
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
6541 lpfc_mbox_cmpl_put(phba
, pmbox
);
6543 return MBX_NOT_FINISHED
;
6547 * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command
6548 * @phba: Pointer to HBA context object.
6550 * The function blocks the posting of SLI4 asynchronous mailbox commands from
6551 * the driver internal pending mailbox queue. It will then try to wait out the
6552 * possible outstanding mailbox command before return.
6555 * 0 - the outstanding mailbox command completed; otherwise, the wait for
6556 * the outstanding mailbox command timed out.
6559 lpfc_sli4_async_mbox_block(struct lpfc_hba
*phba
)
6561 struct lpfc_sli
*psli
= &phba
->sli
;
6562 uint8_t actcmd
= MBX_HEARTBEAT
;
6564 unsigned long timeout
;
6566 /* Mark the asynchronous mailbox command posting as blocked */
6567 spin_lock_irq(&phba
->hbalock
);
6568 psli
->sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
6569 if (phba
->sli
.mbox_active
)
6570 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
6571 spin_unlock_irq(&phba
->hbalock
);
6572 /* Determine how long we might wait for the active mailbox
6573 * command to be gracefully completed by firmware.
6575 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, actcmd
) * 1000) +
6577 /* Wait for the outstnading mailbox command to complete */
6578 while (phba
->sli
.mbox_active
) {
6579 /* Check active mailbox complete status every 2ms */
6581 if (time_after(jiffies
, timeout
)) {
6582 /* Timeout, marked the outstanding cmd not complete */
6588 /* Can not cleanly block async mailbox command, fails it */
6590 spin_lock_irq(&phba
->hbalock
);
6591 psli
->sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
6592 spin_unlock_irq(&phba
->hbalock
);
6598 * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command
6599 * @phba: Pointer to HBA context object.
6601 * The function unblocks and resume posting of SLI4 asynchronous mailbox
6602 * commands from the driver internal pending mailbox queue. It makes sure
6603 * that there is no outstanding mailbox command before resuming posting
6604 * asynchronous mailbox commands. If, for any reason, there is outstanding
6605 * mailbox command, it will try to wait it out before resuming asynchronous
6606 * mailbox command posting.
6609 lpfc_sli4_async_mbox_unblock(struct lpfc_hba
*phba
)
6611 struct lpfc_sli
*psli
= &phba
->sli
;
6613 spin_lock_irq(&phba
->hbalock
);
6614 if (!(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
6615 /* Asynchronous mailbox posting is not blocked, do nothing */
6616 spin_unlock_irq(&phba
->hbalock
);
6620 /* Outstanding synchronous mailbox command is guaranteed to be done,
6621 * successful or timeout, after timing-out the outstanding mailbox
6622 * command shall always be removed, so just unblock posting async
6623 * mailbox command and resume
6625 psli
->sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
6626 spin_unlock_irq(&phba
->hbalock
);
6628 /* wake up worker thread to post asynchronlous mailbox command */
6629 lpfc_worker_wake_up(phba
);
6633 * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox
6634 * @phba: Pointer to HBA context object.
6635 * @mboxq: Pointer to mailbox object.
6637 * The function posts a mailbox to the port. The mailbox is expected
6638 * to be comletely filled in and ready for the port to operate on it.
6639 * This routine executes a synchronous completion operation on the
6640 * mailbox by polling for its completion.
6642 * The caller must not be holding any locks when calling this routine.
6645 * MBX_SUCCESS - mailbox posted successfully
6646 * Any of the MBX error values.
6649 lpfc_sli4_post_sync_mbox(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
6651 int rc
= MBX_SUCCESS
;
6652 unsigned long iflag
;
6654 uint32_t mcqe_status
;
6656 unsigned long timeout
;
6657 struct lpfc_sli
*psli
= &phba
->sli
;
6658 struct lpfc_mqe
*mb
= &mboxq
->u
.mqe
;
6659 struct lpfc_bmbx_create
*mbox_rgn
;
6660 struct dma_address
*dma_address
;
6661 struct lpfc_register bmbx_reg
;
6664 * Only one mailbox can be active to the bootstrap mailbox region
6665 * at a time and there is no queueing provided.
6667 spin_lock_irqsave(&phba
->hbalock
, iflag
);
6668 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6669 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
6670 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6671 "(%d):2532 Mailbox command x%x (x%x) "
6672 "cannot issue Data: x%x x%x\n",
6673 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6674 mboxq
->u
.mb
.mbxCommand
,
6675 lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6676 psli
->sli_flag
, MBX_POLL
);
6677 return MBXERR_ERROR
;
6679 /* The server grabs the token and owns it until release */
6680 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
6681 phba
->sli
.mbox_active
= mboxq
;
6682 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
6685 * Initialize the bootstrap memory region to avoid stale data areas
6686 * in the mailbox post. Then copy the caller's mailbox contents to
6687 * the bmbx mailbox region.
6689 mbx_cmnd
= bf_get(lpfc_mqe_command
, mb
);
6690 memset(phba
->sli4_hba
.bmbx
.avirt
, 0, sizeof(struct lpfc_bmbx_create
));
6691 lpfc_sli_pcimem_bcopy(mb
, phba
->sli4_hba
.bmbx
.avirt
,
6692 sizeof(struct lpfc_mqe
));
6694 /* Post the high mailbox dma address to the port and wait for ready. */
6695 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6696 writel(dma_address
->addr_hi
, phba
->sli4_hba
.BMBXregaddr
);
6698 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, mbx_cmnd
)
6701 bmbx_reg
.word0
= readl(phba
->sli4_hba
.BMBXregaddr
);
6702 db_ready
= bf_get(lpfc_bmbx_rdy
, &bmbx_reg
);
6706 if (time_after(jiffies
, timeout
)) {
6710 } while (!db_ready
);
6712 /* Post the low mailbox dma address to the port. */
6713 writel(dma_address
->addr_lo
, phba
->sli4_hba
.BMBXregaddr
);
6714 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, mbx_cmnd
)
6717 bmbx_reg
.word0
= readl(phba
->sli4_hba
.BMBXregaddr
);
6718 db_ready
= bf_get(lpfc_bmbx_rdy
, &bmbx_reg
);
6722 if (time_after(jiffies
, timeout
)) {
6726 } while (!db_ready
);
6729 * Read the CQ to ensure the mailbox has completed.
6730 * If so, update the mailbox status so that the upper layers
6731 * can complete the request normally.
6733 lpfc_sli_pcimem_bcopy(phba
->sli4_hba
.bmbx
.avirt
, mb
,
6734 sizeof(struct lpfc_mqe
));
6735 mbox_rgn
= (struct lpfc_bmbx_create
*) phba
->sli4_hba
.bmbx
.avirt
;
6736 lpfc_sli_pcimem_bcopy(&mbox_rgn
->mcqe
, &mboxq
->mcqe
,
6737 sizeof(struct lpfc_mcqe
));
6738 mcqe_status
= bf_get(lpfc_mcqe_status
, &mbox_rgn
->mcqe
);
6740 * When the CQE status indicates a failure and the mailbox status
6741 * indicates success then copy the CQE status into the mailbox status
6742 * (and prefix it with x4000).
6744 if (mcqe_status
!= MB_CQE_STATUS_SUCCESS
) {
6745 if (bf_get(lpfc_mqe_status
, mb
) == MBX_SUCCESS
)
6746 bf_set(lpfc_mqe_status
, mb
,
6747 (LPFC_MBX_ERROR_RANGE
| mcqe_status
));
6750 lpfc_sli4_swap_str(phba
, mboxq
);
6752 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6753 "(%d):0356 Mailbox cmd x%x (x%x) Status x%x "
6754 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x"
6755 " x%x x%x CQ: x%x x%x x%x x%x\n",
6756 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6757 mbx_cmnd
, lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6758 bf_get(lpfc_mqe_status
, mb
),
6759 mb
->un
.mb_words
[0], mb
->un
.mb_words
[1],
6760 mb
->un
.mb_words
[2], mb
->un
.mb_words
[3],
6761 mb
->un
.mb_words
[4], mb
->un
.mb_words
[5],
6762 mb
->un
.mb_words
[6], mb
->un
.mb_words
[7],
6763 mb
->un
.mb_words
[8], mb
->un
.mb_words
[9],
6764 mb
->un
.mb_words
[10], mb
->un
.mb_words
[11],
6765 mb
->un
.mb_words
[12], mboxq
->mcqe
.word0
,
6766 mboxq
->mcqe
.mcqe_tag0
, mboxq
->mcqe
.mcqe_tag1
,
6767 mboxq
->mcqe
.trailer
);
6769 /* We are holding the token, no needed for lock when release */
6770 spin_lock_irqsave(&phba
->hbalock
, iflag
);
6771 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6772 phba
->sli
.mbox_active
= NULL
;
6773 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
6778 * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware
6779 * @phba: Pointer to HBA context object.
6780 * @pmbox: Pointer to mailbox object.
6781 * @flag: Flag indicating how the mailbox need to be processed.
6783 * This function is called by discovery code and HBA management code to submit
6784 * a mailbox command to firmware with SLI-4 interface spec.
6786 * Return codes the caller owns the mailbox command after the return of the
6790 lpfc_sli_issue_mbox_s4(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
,
6793 struct lpfc_sli
*psli
= &phba
->sli
;
6794 unsigned long iflags
;
6797 /* dump from issue mailbox command if setup */
6798 lpfc_idiag_mbxacc_dump_issue_mbox(phba
, &mboxq
->u
.mb
);
6800 rc
= lpfc_mbox_dev_check(phba
);
6802 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6803 "(%d):2544 Mailbox command x%x (x%x) "
6804 "cannot issue Data: x%x x%x\n",
6805 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6806 mboxq
->u
.mb
.mbxCommand
,
6807 lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6808 psli
->sli_flag
, flag
);
6809 goto out_not_finished
;
6812 /* Detect polling mode and jump to a handler */
6813 if (!phba
->sli4_hba
.intr_enable
) {
6814 if (flag
== MBX_POLL
)
6815 rc
= lpfc_sli4_post_sync_mbox(phba
, mboxq
);
6818 if (rc
!= MBX_SUCCESS
)
6819 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
6820 "(%d):2541 Mailbox command x%x "
6821 "(x%x) cannot issue Data: x%x x%x\n",
6822 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6823 mboxq
->u
.mb
.mbxCommand
,
6824 lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6825 psli
->sli_flag
, flag
);
6827 } else if (flag
== MBX_POLL
) {
6828 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
6829 "(%d):2542 Try to issue mailbox command "
6830 "x%x (x%x) synchronously ahead of async"
6831 "mailbox command queue: x%x x%x\n",
6832 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6833 mboxq
->u
.mb
.mbxCommand
,
6834 lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6835 psli
->sli_flag
, flag
);
6836 /* Try to block the asynchronous mailbox posting */
6837 rc
= lpfc_sli4_async_mbox_block(phba
);
6839 /* Successfully blocked, now issue sync mbox cmd */
6840 rc
= lpfc_sli4_post_sync_mbox(phba
, mboxq
);
6841 if (rc
!= MBX_SUCCESS
)
6842 lpfc_printf_log(phba
, KERN_ERR
,
6844 "(%d):2597 Mailbox command "
6845 "x%x (x%x) cannot issue "
6848 mboxq
->vport
->vpi
: 0,
6849 mboxq
->u
.mb
.mbxCommand
,
6850 lpfc_sli4_mbox_opcode_get(phba
,
6852 psli
->sli_flag
, flag
);
6853 /* Unblock the async mailbox posting afterward */
6854 lpfc_sli4_async_mbox_unblock(phba
);
6859 /* Now, interrupt mode asynchrous mailbox command */
6860 rc
= lpfc_mbox_cmd_check(phba
, mboxq
);
6862 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6863 "(%d):2543 Mailbox command x%x (x%x) "
6864 "cannot issue Data: x%x x%x\n",
6865 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6866 mboxq
->u
.mb
.mbxCommand
,
6867 lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6868 psli
->sli_flag
, flag
);
6869 goto out_not_finished
;
6872 /* Put the mailbox command to the driver internal FIFO */
6873 psli
->slistat
.mbox_busy
++;
6874 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6875 lpfc_mbox_put(phba
, mboxq
);
6876 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6877 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6878 "(%d):0354 Mbox cmd issue - Enqueue Data: "
6879 "x%x (x%x) x%x x%x x%x\n",
6880 mboxq
->vport
? mboxq
->vport
->vpi
: 0xffffff,
6881 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
6882 lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6883 phba
->pport
->port_state
,
6884 psli
->sli_flag
, MBX_NOWAIT
);
6885 /* Wake up worker thread to transport mailbox command from head */
6886 lpfc_worker_wake_up(phba
);
6891 return MBX_NOT_FINISHED
;
6895 * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device
6896 * @phba: Pointer to HBA context object.
6898 * This function is called by worker thread to send a mailbox command to
6899 * SLI4 HBA firmware.
6903 lpfc_sli4_post_async_mbox(struct lpfc_hba
*phba
)
6905 struct lpfc_sli
*psli
= &phba
->sli
;
6906 LPFC_MBOXQ_t
*mboxq
;
6907 int rc
= MBX_SUCCESS
;
6908 unsigned long iflags
;
6909 struct lpfc_mqe
*mqe
;
6912 /* Check interrupt mode before post async mailbox command */
6913 if (unlikely(!phba
->sli4_hba
.intr_enable
))
6914 return MBX_NOT_FINISHED
;
6916 /* Check for mailbox command service token */
6917 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6918 if (unlikely(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
6919 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6920 return MBX_NOT_FINISHED
;
6922 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6923 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6924 return MBX_NOT_FINISHED
;
6926 if (unlikely(phba
->sli
.mbox_active
)) {
6927 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6928 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6929 "0384 There is pending active mailbox cmd\n");
6930 return MBX_NOT_FINISHED
;
6932 /* Take the mailbox command service token */
6933 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
6935 /* Get the next mailbox command from head of queue */
6936 mboxq
= lpfc_mbox_get(phba
);
6938 /* If no more mailbox command waiting for post, we're done */
6940 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6941 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6944 phba
->sli
.mbox_active
= mboxq
;
6945 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6947 /* Check device readiness for posting mailbox command */
6948 rc
= lpfc_mbox_dev_check(phba
);
6950 /* Driver clean routine will clean up pending mailbox */
6951 goto out_not_finished
;
6953 /* Prepare the mbox command to be posted */
6954 mqe
= &mboxq
->u
.mqe
;
6955 mbx_cmnd
= bf_get(lpfc_mqe_command
, mqe
);
6957 /* Start timer for the mbox_tmo and log some mailbox post messages */
6958 mod_timer(&psli
->mbox_tmo
, (jiffies
+
6959 (HZ
* lpfc_mbox_tmo_val(phba
, mbx_cmnd
))));
6961 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6962 "(%d):0355 Mailbox cmd x%x (x%x) issue Data: "
6964 mboxq
->vport
? mboxq
->vport
->vpi
: 0, mbx_cmnd
,
6965 lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6966 phba
->pport
->port_state
, psli
->sli_flag
);
6968 if (mbx_cmnd
!= MBX_HEARTBEAT
) {
6970 lpfc_debugfs_disc_trc(mboxq
->vport
,
6971 LPFC_DISC_TRC_MBOX_VPORT
,
6972 "MBOX Send vport: cmd:x%x mb:x%x x%x",
6973 mbx_cmnd
, mqe
->un
.mb_words
[0],
6974 mqe
->un
.mb_words
[1]);
6976 lpfc_debugfs_disc_trc(phba
->pport
,
6978 "MBOX Send: cmd:x%x mb:x%x x%x",
6979 mbx_cmnd
, mqe
->un
.mb_words
[0],
6980 mqe
->un
.mb_words
[1]);
6983 psli
->slistat
.mbox_cmd
++;
6985 /* Post the mailbox command to the port */
6986 rc
= lpfc_sli4_mq_put(phba
->sli4_hba
.mbx_wq
, mqe
);
6987 if (rc
!= MBX_SUCCESS
) {
6988 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6989 "(%d):2533 Mailbox command x%x (x%x) "
6990 "cannot issue Data: x%x x%x\n",
6991 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6992 mboxq
->u
.mb
.mbxCommand
,
6993 lpfc_sli4_mbox_opcode_get(phba
, mboxq
),
6994 psli
->sli_flag
, MBX_NOWAIT
);
6995 goto out_not_finished
;
7001 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7002 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
7003 __lpfc_mbox_cmpl_put(phba
, mboxq
);
7004 /* Release the token */
7005 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7006 phba
->sli
.mbox_active
= NULL
;
7007 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7009 return MBX_NOT_FINISHED
;
7013 * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command
7014 * @phba: Pointer to HBA context object.
7015 * @pmbox: Pointer to mailbox object.
7016 * @flag: Flag indicating how the mailbox need to be processed.
7018 * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from
7019 * the API jump table function pointer from the lpfc_hba struct.
7021 * Return codes the caller owns the mailbox command after the return of the
7025 lpfc_sli_issue_mbox(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmbox
, uint32_t flag
)
7027 return phba
->lpfc_sli_issue_mbox(phba
, pmbox
, flag
);
7031 * lpfc_mbox_api_table_setup - Set up mbox api function jump table
7032 * @phba: The hba struct for which this call is being executed.
7033 * @dev_grp: The HBA PCI-Device group number.
7035 * This routine sets up the mbox interface API function jump table in @phba
7037 * Returns: 0 - success, -ENODEV - failure.
7040 lpfc_mbox_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
7044 case LPFC_PCI_DEV_LP
:
7045 phba
->lpfc_sli_issue_mbox
= lpfc_sli_issue_mbox_s3
;
7046 phba
->lpfc_sli_handle_slow_ring_event
=
7047 lpfc_sli_handle_slow_ring_event_s3
;
7048 phba
->lpfc_sli_hbq_to_firmware
= lpfc_sli_hbq_to_firmware_s3
;
7049 phba
->lpfc_sli_brdrestart
= lpfc_sli_brdrestart_s3
;
7050 phba
->lpfc_sli_brdready
= lpfc_sli_brdready_s3
;
7052 case LPFC_PCI_DEV_OC
:
7053 phba
->lpfc_sli_issue_mbox
= lpfc_sli_issue_mbox_s4
;
7054 phba
->lpfc_sli_handle_slow_ring_event
=
7055 lpfc_sli_handle_slow_ring_event_s4
;
7056 phba
->lpfc_sli_hbq_to_firmware
= lpfc_sli_hbq_to_firmware_s4
;
7057 phba
->lpfc_sli_brdrestart
= lpfc_sli_brdrestart_s4
;
7058 phba
->lpfc_sli_brdready
= lpfc_sli_brdready_s4
;
7061 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7062 "1420 Invalid HBA PCI-device group: 0x%x\n",
7071 * __lpfc_sli_ringtx_put - Add an iocb to the txq
7072 * @phba: Pointer to HBA context object.
7073 * @pring: Pointer to driver SLI ring object.
7074 * @piocb: Pointer to address of newly added command iocb.
7076 * This function is called with hbalock held to add a command
7077 * iocb to the txq when SLI layer cannot submit the command iocb
7081 __lpfc_sli_ringtx_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
7082 struct lpfc_iocbq
*piocb
)
7084 /* Insert the caller's iocb in the txq tail for later processing. */
7085 list_add_tail(&piocb
->list
, &pring
->txq
);
7090 * lpfc_sli_next_iocb - Get the next iocb in the txq
7091 * @phba: Pointer to HBA context object.
7092 * @pring: Pointer to driver SLI ring object.
7093 * @piocb: Pointer to address of newly added command iocb.
7095 * This function is called with hbalock held before a new
7096 * iocb is submitted to the firmware. This function checks
7097 * txq to flush the iocbs in txq to Firmware before
7098 * submitting new iocbs to the Firmware.
7099 * If there are iocbs in the txq which need to be submitted
7100 * to firmware, lpfc_sli_next_iocb returns the first element
7101 * of the txq after dequeuing it from txq.
7102 * If there is no iocb in the txq then the function will return
7103 * *piocb and *piocb is set to NULL. Caller needs to check
7104 * *piocb to find if there are more commands in the txq.
7106 static struct lpfc_iocbq
*
7107 lpfc_sli_next_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
7108 struct lpfc_iocbq
**piocb
)
7110 struct lpfc_iocbq
* nextiocb
;
7112 nextiocb
= lpfc_sli_ringtx_get(phba
, pring
);
7122 * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb
7123 * @phba: Pointer to HBA context object.
7124 * @ring_number: SLI ring number to issue iocb on.
7125 * @piocb: Pointer to command iocb.
7126 * @flag: Flag indicating if this command can be put into txq.
7128 * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue
7129 * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is
7130 * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT
7131 * flag is turned on, the function returns IOCB_ERROR. When the link is down,
7132 * this function allows only iocbs for posting buffers. This function finds
7133 * next available slot in the command ring and posts the command to the
7134 * available slot and writes the port attention register to request HBA start
7135 * processing new iocb. If there is no slot available in the ring and
7136 * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise
7137 * the function returns IOCB_BUSY.
7139 * This function is called with hbalock held. The function will return success
7140 * after it successfully submit the iocb to firmware or after adding to the
7144 __lpfc_sli_issue_iocb_s3(struct lpfc_hba
*phba
, uint32_t ring_number
,
7145 struct lpfc_iocbq
*piocb
, uint32_t flag
)
7147 struct lpfc_iocbq
*nextiocb
;
7149 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[ring_number
];
7151 if (piocb
->iocb_cmpl
&& (!piocb
->vport
) &&
7152 (piocb
->iocb
.ulpCommand
!= CMD_ABORT_XRI_CN
) &&
7153 (piocb
->iocb
.ulpCommand
!= CMD_CLOSE_XRI_CN
)) {
7154 lpfc_printf_log(phba
, KERN_ERR
,
7155 LOG_SLI
| LOG_VPORT
,
7156 "1807 IOCB x%x failed. No vport\n",
7157 piocb
->iocb
.ulpCommand
);
7163 /* If the PCI channel is in offline state, do not post iocbs. */
7164 if (unlikely(pci_channel_offline(phba
->pcidev
)))
7167 /* If HBA has a deferred error attention, fail the iocb. */
7168 if (unlikely(phba
->hba_flag
& DEFER_ERATT
))
7172 * We should never get an IOCB if we are in a < LINK_DOWN state
7174 if (unlikely(phba
->link_state
< LPFC_LINK_DOWN
))
7178 * Check to see if we are blocking IOCB processing because of a
7179 * outstanding event.
7181 if (unlikely(pring
->flag
& LPFC_STOP_IOCB_EVENT
))
7184 if (unlikely(phba
->link_state
== LPFC_LINK_DOWN
)) {
7186 * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF
7187 * can be issued if the link is not up.
7189 switch (piocb
->iocb
.ulpCommand
) {
7190 case CMD_GEN_REQUEST64_CR
:
7191 case CMD_GEN_REQUEST64_CX
:
7192 if (!(phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
) ||
7193 (piocb
->iocb
.un
.genreq64
.w5
.hcsw
.Rctl
!=
7194 FC_RCTL_DD_UNSOL_CMD
) ||
7195 (piocb
->iocb
.un
.genreq64
.w5
.hcsw
.Type
!=
7196 MENLO_TRANSPORT_TYPE
))
7200 case CMD_QUE_RING_BUF_CN
:
7201 case CMD_QUE_RING_BUF64_CN
:
7203 * For IOCBs, like QUE_RING_BUF, that have no rsp ring
7204 * completion, iocb_cmpl MUST be 0.
7206 if (piocb
->iocb_cmpl
)
7207 piocb
->iocb_cmpl
= NULL
;
7209 case CMD_CREATE_XRI_CR
:
7210 case CMD_CLOSE_XRI_CN
:
7211 case CMD_CLOSE_XRI_CX
:
7218 * For FCP commands, we must be in a state where we can process link
7221 } else if (unlikely(pring
->ringno
== phba
->sli
.fcp_ring
&&
7222 !(phba
->sli
.sli_flag
& LPFC_PROCESS_LA
))) {
7226 while ((iocb
= lpfc_sli_next_iocb_slot(phba
, pring
)) &&
7227 (nextiocb
= lpfc_sli_next_iocb(phba
, pring
, &piocb
)))
7228 lpfc_sli_submit_iocb(phba
, pring
, iocb
, nextiocb
);
7231 lpfc_sli_update_ring(phba
, pring
);
7233 lpfc_sli_update_full_ring(phba
, pring
);
7236 return IOCB_SUCCESS
;
7241 pring
->stats
.iocb_cmd_delay
++;
7245 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
7246 __lpfc_sli_ringtx_put(phba
, pring
, piocb
);
7247 return IOCB_SUCCESS
;
7254 * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl.
7255 * @phba: Pointer to HBA context object.
7256 * @piocb: Pointer to command iocb.
7257 * @sglq: Pointer to the scatter gather queue object.
7259 * This routine converts the bpl or bde that is in the IOCB
7260 * to a sgl list for the sli4 hardware. The physical address
7261 * of the bpl/bde is converted back to a virtual address.
7262 * If the IOCB contains a BPL then the list of BDE's is
7263 * converted to sli4_sge's. If the IOCB contains a single
7264 * BDE then it is converted to a single sli_sge.
7265 * The IOCB is still in cpu endianess so the contents of
7266 * the bpl can be used without byte swapping.
7268 * Returns valid XRI = Success, NO_XRI = Failure.
7271 lpfc_sli4_bpl2sgl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*piocbq
,
7272 struct lpfc_sglq
*sglq
)
7274 uint16_t xritag
= NO_XRI
;
7275 struct ulp_bde64
*bpl
= NULL
;
7276 struct ulp_bde64 bde
;
7277 struct sli4_sge
*sgl
= NULL
;
7281 uint32_t offset
= 0; /* accumulated offset in the sg request list */
7282 int inbound
= 0; /* number of sg reply entries inbound from firmware */
7284 if (!piocbq
|| !sglq
)
7287 sgl
= (struct sli4_sge
*)sglq
->sgl
;
7288 icmd
= &piocbq
->iocb
;
7289 if (icmd
->un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BLP_64
) {
7290 numBdes
= icmd
->un
.genreq64
.bdl
.bdeSize
/
7291 sizeof(struct ulp_bde64
);
7292 /* The addrHigh and addrLow fields within the IOCB
7293 * have not been byteswapped yet so there is no
7294 * need to swap them back.
7296 bpl
= (struct ulp_bde64
*)
7297 ((struct lpfc_dmabuf
*)piocbq
->context3
)->virt
;
7302 for (i
= 0; i
< numBdes
; i
++) {
7303 /* Should already be byte swapped. */
7304 sgl
->addr_hi
= bpl
->addrHigh
;
7305 sgl
->addr_lo
= bpl
->addrLow
;
7307 sgl
->word2
= le32_to_cpu(sgl
->word2
);
7308 if ((i
+1) == numBdes
)
7309 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
7311 bf_set(lpfc_sli4_sge_last
, sgl
, 0);
7312 /* swap the size field back to the cpu so we
7313 * can assign it to the sgl.
7315 bde
.tus
.w
= le32_to_cpu(bpl
->tus
.w
);
7316 sgl
->sge_len
= cpu_to_le32(bde
.tus
.f
.bdeSize
);
7317 /* The offsets in the sgl need to be accumulated
7318 * separately for the request and reply lists.
7319 * The request is always first, the reply follows.
7321 if (piocbq
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
) {
7322 /* add up the reply sg entries */
7323 if (bpl
->tus
.f
.bdeFlags
== BUFF_TYPE_BDE_64I
)
7325 /* first inbound? reset the offset */
7328 bf_set(lpfc_sli4_sge_offset
, sgl
, offset
);
7329 offset
+= bde
.tus
.f
.bdeSize
;
7331 sgl
->word2
= cpu_to_le32(sgl
->word2
);
7335 } else if (icmd
->un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BDE_64
) {
7336 /* The addrHigh and addrLow fields of the BDE have not
7337 * been byteswapped yet so they need to be swapped
7338 * before putting them in the sgl.
7341 cpu_to_le32(icmd
->un
.genreq64
.bdl
.addrHigh
);
7343 cpu_to_le32(icmd
->un
.genreq64
.bdl
.addrLow
);
7344 sgl
->word2
= le32_to_cpu(sgl
->word2
);
7345 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
7346 sgl
->word2
= cpu_to_le32(sgl
->word2
);
7348 cpu_to_le32(icmd
->un
.genreq64
.bdl
.bdeSize
);
7350 return sglq
->sli4_xritag
;
7354 * lpfc_sli4_scmd_to_wqidx_distr - scsi command to SLI4 WQ index distribution
7355 * @phba: Pointer to HBA context object.
7357 * This routine performs a roundrobin SCSI command to SLI4 FCP WQ index
7358 * distribution. This is called by __lpfc_sli_issue_iocb_s4() with the hbalock
7361 * Return: index into SLI4 fast-path FCP queue index.
7364 lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba
*phba
)
7367 if (phba
->fcp_qidx
>= phba
->cfg_fcp_wq_count
)
7370 return phba
->fcp_qidx
;
7374 * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry.
7375 * @phba: Pointer to HBA context object.
7376 * @piocb: Pointer to command iocb.
7377 * @wqe: Pointer to the work queue entry.
7379 * This routine converts the iocb command to its Work Queue Entry
7380 * equivalent. The wqe pointer should not have any fields set when
7381 * this routine is called because it will memcpy over them.
7382 * This routine does not set the CQ_ID or the WQEC bits in the
7385 * Returns: 0 = Success, IOCB_ERROR = Failure.
7388 lpfc_sli4_iocb2wqe(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
,
7389 union lpfc_wqe
*wqe
)
7391 uint32_t xmit_len
= 0, total_len
= 0;
7395 uint8_t command_type
= ELS_COMMAND_NON_FIP
;
7398 uint16_t abrt_iotag
;
7399 struct lpfc_iocbq
*abrtiocbq
;
7400 struct ulp_bde64
*bpl
= NULL
;
7401 uint32_t els_id
= LPFC_ELS_ID_DEFAULT
;
7403 struct ulp_bde64 bde
;
7404 struct lpfc_nodelist
*ndlp
;
7406 fip
= phba
->hba_flag
& HBA_FIP_SUPPORT
;
7407 /* The fcp commands will set command type */
7408 if (iocbq
->iocb_flag
& LPFC_IO_FCP
)
7409 command_type
= FCP_COMMAND
;
7410 else if (fip
&& (iocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
))
7411 command_type
= ELS_COMMAND_FIP
;
7413 command_type
= ELS_COMMAND_NON_FIP
;
7415 /* Some of the fields are in the right position already */
7416 memcpy(wqe
, &iocbq
->iocb
, sizeof(union lpfc_wqe
));
7417 abort_tag
= (uint32_t) iocbq
->iotag
;
7418 xritag
= iocbq
->sli4_xritag
;
7419 wqe
->generic
.wqe_com
.word7
= 0; /* The ct field has moved so reset */
7420 /* words0-2 bpl convert bde */
7421 if (iocbq
->iocb
.un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BLP_64
) {
7422 numBdes
= iocbq
->iocb
.un
.genreq64
.bdl
.bdeSize
/
7423 sizeof(struct ulp_bde64
);
7424 bpl
= (struct ulp_bde64
*)
7425 ((struct lpfc_dmabuf
*)iocbq
->context3
)->virt
;
7429 /* Should already be byte swapped. */
7430 wqe
->generic
.bde
.addrHigh
= le32_to_cpu(bpl
->addrHigh
);
7431 wqe
->generic
.bde
.addrLow
= le32_to_cpu(bpl
->addrLow
);
7432 /* swap the size field back to the cpu so we
7433 * can assign it to the sgl.
7435 wqe
->generic
.bde
.tus
.w
= le32_to_cpu(bpl
->tus
.w
);
7436 xmit_len
= wqe
->generic
.bde
.tus
.f
.bdeSize
;
7438 for (i
= 0; i
< numBdes
; i
++) {
7439 bde
.tus
.w
= le32_to_cpu(bpl
[i
].tus
.w
);
7440 total_len
+= bde
.tus
.f
.bdeSize
;
7443 xmit_len
= iocbq
->iocb
.un
.fcpi64
.bdl
.bdeSize
;
7445 iocbq
->iocb
.ulpIoTag
= iocbq
->iotag
;
7446 cmnd
= iocbq
->iocb
.ulpCommand
;
7448 switch (iocbq
->iocb
.ulpCommand
) {
7449 case CMD_ELS_REQUEST64_CR
:
7450 ndlp
= (struct lpfc_nodelist
*)iocbq
->context1
;
7451 if (!iocbq
->iocb
.ulpLe
) {
7452 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7453 "2007 Only Limited Edition cmd Format"
7454 " supported 0x%x\n",
7455 iocbq
->iocb
.ulpCommand
);
7458 wqe
->els_req
.payload_len
= xmit_len
;
7459 /* Els_reguest64 has a TMO */
7460 bf_set(wqe_tmo
, &wqe
->els_req
.wqe_com
,
7461 iocbq
->iocb
.ulpTimeout
);
7462 /* Need a VF for word 4 set the vf bit*/
7463 bf_set(els_req64_vf
, &wqe
->els_req
, 0);
7464 /* And a VFID for word 12 */
7465 bf_set(els_req64_vfid
, &wqe
->els_req
, 0);
7466 ct
= ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
);
7467 bf_set(wqe_ctxt_tag
, &wqe
->els_req
.wqe_com
,
7468 iocbq
->iocb
.ulpContext
);
7469 bf_set(wqe_ct
, &wqe
->els_req
.wqe_com
, ct
);
7470 bf_set(wqe_pu
, &wqe
->els_req
.wqe_com
, 0);
7471 /* CCP CCPE PV PRI in word10 were set in the memcpy */
7472 if (command_type
== ELS_COMMAND_FIP
) {
7473 els_id
= ((iocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
)
7474 >> LPFC_FIP_ELS_ID_SHIFT
);
7476 bf_set(wqe_temp_rpi
, &wqe
->els_req
.wqe_com
,
7477 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
7478 bf_set(wqe_els_id
, &wqe
->els_req
.wqe_com
, els_id
);
7479 bf_set(wqe_dbde
, &wqe
->els_req
.wqe_com
, 1);
7480 bf_set(wqe_iod
, &wqe
->els_req
.wqe_com
, LPFC_WQE_IOD_READ
);
7481 bf_set(wqe_qosd
, &wqe
->els_req
.wqe_com
, 1);
7482 bf_set(wqe_lenloc
, &wqe
->els_req
.wqe_com
, LPFC_WQE_LENLOC_NONE
);
7483 bf_set(wqe_ebde_cnt
, &wqe
->els_req
.wqe_com
, 0);
7485 case CMD_XMIT_SEQUENCE64_CX
:
7486 bf_set(wqe_ctxt_tag
, &wqe
->xmit_sequence
.wqe_com
,
7487 iocbq
->iocb
.un
.ulpWord
[3]);
7488 bf_set(wqe_rcvoxid
, &wqe
->xmit_sequence
.wqe_com
,
7489 iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
);
7490 /* The entire sequence is transmitted for this IOCB */
7491 xmit_len
= total_len
;
7492 cmnd
= CMD_XMIT_SEQUENCE64_CR
;
7493 case CMD_XMIT_SEQUENCE64_CR
:
7494 /* word3 iocb=io_tag32 wqe=reserved */
7495 wqe
->xmit_sequence
.rsvd3
= 0;
7496 /* word4 relative_offset memcpy */
7497 /* word5 r_ctl/df_ctl memcpy */
7498 bf_set(wqe_pu
, &wqe
->xmit_sequence
.wqe_com
, 0);
7499 bf_set(wqe_dbde
, &wqe
->xmit_sequence
.wqe_com
, 1);
7500 bf_set(wqe_iod
, &wqe
->xmit_sequence
.wqe_com
,
7501 LPFC_WQE_IOD_WRITE
);
7502 bf_set(wqe_lenloc
, &wqe
->xmit_sequence
.wqe_com
,
7503 LPFC_WQE_LENLOC_WORD12
);
7504 bf_set(wqe_ebde_cnt
, &wqe
->xmit_sequence
.wqe_com
, 0);
7505 wqe
->xmit_sequence
.xmit_len
= xmit_len
;
7506 command_type
= OTHER_COMMAND
;
7508 case CMD_XMIT_BCAST64_CN
:
7509 /* word3 iocb=iotag32 wqe=seq_payload_len */
7510 wqe
->xmit_bcast64
.seq_payload_len
= xmit_len
;
7511 /* word4 iocb=rsvd wqe=rsvd */
7512 /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */
7513 /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */
7514 bf_set(wqe_ct
, &wqe
->xmit_bcast64
.wqe_com
,
7515 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
7516 bf_set(wqe_dbde
, &wqe
->xmit_bcast64
.wqe_com
, 1);
7517 bf_set(wqe_iod
, &wqe
->xmit_bcast64
.wqe_com
, LPFC_WQE_IOD_WRITE
);
7518 bf_set(wqe_lenloc
, &wqe
->xmit_bcast64
.wqe_com
,
7519 LPFC_WQE_LENLOC_WORD3
);
7520 bf_set(wqe_ebde_cnt
, &wqe
->xmit_bcast64
.wqe_com
, 0);
7522 case CMD_FCP_IWRITE64_CR
:
7523 command_type
= FCP_COMMAND_DATA_OUT
;
7524 /* word3 iocb=iotag wqe=payload_offset_len */
7525 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
7526 wqe
->fcp_iwrite
.payload_offset_len
=
7527 xmit_len
+ sizeof(struct fcp_rsp
);
7528 /* word4 iocb=parameter wqe=total_xfer_length memcpy */
7529 /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
7530 bf_set(wqe_erp
, &wqe
->fcp_iwrite
.wqe_com
,
7531 iocbq
->iocb
.ulpFCP2Rcvy
);
7532 bf_set(wqe_lnk
, &wqe
->fcp_iwrite
.wqe_com
, iocbq
->iocb
.ulpXS
);
7533 /* Always open the exchange */
7534 bf_set(wqe_xc
, &wqe
->fcp_iwrite
.wqe_com
, 0);
7535 bf_set(wqe_dbde
, &wqe
->fcp_iwrite
.wqe_com
, 1);
7536 bf_set(wqe_iod
, &wqe
->fcp_iwrite
.wqe_com
, LPFC_WQE_IOD_WRITE
);
7537 bf_set(wqe_lenloc
, &wqe
->fcp_iwrite
.wqe_com
,
7538 LPFC_WQE_LENLOC_WORD4
);
7539 bf_set(wqe_ebde_cnt
, &wqe
->fcp_iwrite
.wqe_com
, 0);
7540 bf_set(wqe_pu
, &wqe
->fcp_iwrite
.wqe_com
, iocbq
->iocb
.ulpPU
);
7542 case CMD_FCP_IREAD64_CR
:
7543 /* word3 iocb=iotag wqe=payload_offset_len */
7544 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
7545 wqe
->fcp_iread
.payload_offset_len
=
7546 xmit_len
+ sizeof(struct fcp_rsp
);
7547 /* word4 iocb=parameter wqe=total_xfer_length memcpy */
7548 /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
7549 bf_set(wqe_erp
, &wqe
->fcp_iread
.wqe_com
,
7550 iocbq
->iocb
.ulpFCP2Rcvy
);
7551 bf_set(wqe_lnk
, &wqe
->fcp_iread
.wqe_com
, iocbq
->iocb
.ulpXS
);
7552 /* Always open the exchange */
7553 bf_set(wqe_xc
, &wqe
->fcp_iread
.wqe_com
, 0);
7554 bf_set(wqe_dbde
, &wqe
->fcp_iread
.wqe_com
, 1);
7555 bf_set(wqe_iod
, &wqe
->fcp_iread
.wqe_com
, LPFC_WQE_IOD_READ
);
7556 bf_set(wqe_lenloc
, &wqe
->fcp_iread
.wqe_com
,
7557 LPFC_WQE_LENLOC_WORD4
);
7558 bf_set(wqe_ebde_cnt
, &wqe
->fcp_iread
.wqe_com
, 0);
7559 bf_set(wqe_pu
, &wqe
->fcp_iread
.wqe_com
, iocbq
->iocb
.ulpPU
);
7561 case CMD_FCP_ICMND64_CR
:
7562 /* word3 iocb=IO_TAG wqe=reserved */
7563 wqe
->fcp_icmd
.rsrvd3
= 0;
7564 bf_set(wqe_pu
, &wqe
->fcp_icmd
.wqe_com
, 0);
7565 /* Always open the exchange */
7566 bf_set(wqe_xc
, &wqe
->fcp_icmd
.wqe_com
, 0);
7567 bf_set(wqe_dbde
, &wqe
->fcp_icmd
.wqe_com
, 1);
7568 bf_set(wqe_iod
, &wqe
->fcp_icmd
.wqe_com
, LPFC_WQE_IOD_WRITE
);
7569 bf_set(wqe_qosd
, &wqe
->fcp_icmd
.wqe_com
, 1);
7570 bf_set(wqe_lenloc
, &wqe
->fcp_icmd
.wqe_com
,
7571 LPFC_WQE_LENLOC_NONE
);
7572 bf_set(wqe_ebde_cnt
, &wqe
->fcp_icmd
.wqe_com
, 0);
7574 case CMD_GEN_REQUEST64_CR
:
7575 /* For this command calculate the xmit length of the
7579 numBdes
= iocbq
->iocb
.un
.genreq64
.bdl
.bdeSize
/
7580 sizeof(struct ulp_bde64
);
7581 for (i
= 0; i
< numBdes
; i
++) {
7582 bde
.tus
.w
= le32_to_cpu(bpl
[i
].tus
.w
);
7583 if (bde
.tus
.f
.bdeFlags
!= BUFF_TYPE_BDE_64
)
7585 xmit_len
+= bde
.tus
.f
.bdeSize
;
7587 /* word3 iocb=IO_TAG wqe=request_payload_len */
7588 wqe
->gen_req
.request_payload_len
= xmit_len
;
7589 /* word4 iocb=parameter wqe=relative_offset memcpy */
7590 /* word5 [rctl, type, df_ctl, la] copied in memcpy */
7591 /* word6 context tag copied in memcpy */
7592 if (iocbq
->iocb
.ulpCt_h
|| iocbq
->iocb
.ulpCt_l
) {
7593 ct
= ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
);
7594 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7595 "2015 Invalid CT %x command 0x%x\n",
7596 ct
, iocbq
->iocb
.ulpCommand
);
7599 bf_set(wqe_ct
, &wqe
->gen_req
.wqe_com
, 0);
7600 bf_set(wqe_tmo
, &wqe
->gen_req
.wqe_com
, iocbq
->iocb
.ulpTimeout
);
7601 bf_set(wqe_pu
, &wqe
->gen_req
.wqe_com
, iocbq
->iocb
.ulpPU
);
7602 bf_set(wqe_dbde
, &wqe
->gen_req
.wqe_com
, 1);
7603 bf_set(wqe_iod
, &wqe
->gen_req
.wqe_com
, LPFC_WQE_IOD_READ
);
7604 bf_set(wqe_qosd
, &wqe
->gen_req
.wqe_com
, 1);
7605 bf_set(wqe_lenloc
, &wqe
->gen_req
.wqe_com
, LPFC_WQE_LENLOC_NONE
);
7606 bf_set(wqe_ebde_cnt
, &wqe
->gen_req
.wqe_com
, 0);
7607 command_type
= OTHER_COMMAND
;
7609 case CMD_XMIT_ELS_RSP64_CX
:
7610 ndlp
= (struct lpfc_nodelist
*)iocbq
->context1
;
7611 /* words0-2 BDE memcpy */
7612 /* word3 iocb=iotag32 wqe=response_payload_len */
7613 wqe
->xmit_els_rsp
.response_payload_len
= xmit_len
;
7614 /* word4 iocb=did wge=rsvd. */
7615 wqe
->xmit_els_rsp
.rsvd4
= 0;
7616 /* word5 iocb=rsvd wge=did */
7617 bf_set(wqe_els_did
, &wqe
->xmit_els_rsp
.wqe_dest
,
7618 iocbq
->iocb
.un
.elsreq64
.remoteID
);
7619 bf_set(wqe_ct
, &wqe
->xmit_els_rsp
.wqe_com
,
7620 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
7621 bf_set(wqe_pu
, &wqe
->xmit_els_rsp
.wqe_com
, iocbq
->iocb
.ulpPU
);
7622 bf_set(wqe_rcvoxid
, &wqe
->xmit_els_rsp
.wqe_com
,
7623 iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
);
7624 if (!iocbq
->iocb
.ulpCt_h
&& iocbq
->iocb
.ulpCt_l
)
7625 bf_set(wqe_ctxt_tag
, &wqe
->xmit_els_rsp
.wqe_com
,
7626 phba
->vpi_ids
[iocbq
->vport
->vpi
]);
7627 bf_set(wqe_dbde
, &wqe
->xmit_els_rsp
.wqe_com
, 1);
7628 bf_set(wqe_iod
, &wqe
->xmit_els_rsp
.wqe_com
, LPFC_WQE_IOD_WRITE
);
7629 bf_set(wqe_qosd
, &wqe
->xmit_els_rsp
.wqe_com
, 1);
7630 bf_set(wqe_lenloc
, &wqe
->xmit_els_rsp
.wqe_com
,
7631 LPFC_WQE_LENLOC_WORD3
);
7632 bf_set(wqe_ebde_cnt
, &wqe
->xmit_els_rsp
.wqe_com
, 0);
7633 bf_set(wqe_rsp_temp_rpi
, &wqe
->xmit_els_rsp
,
7634 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
7635 command_type
= OTHER_COMMAND
;
7637 case CMD_CLOSE_XRI_CN
:
7638 case CMD_ABORT_XRI_CN
:
7639 case CMD_ABORT_XRI_CX
:
7640 /* words 0-2 memcpy should be 0 rserved */
7641 /* port will send abts */
7642 abrt_iotag
= iocbq
->iocb
.un
.acxri
.abortContextTag
;
7643 if (abrt_iotag
!= 0 && abrt_iotag
<= phba
->sli
.last_iotag
) {
7644 abrtiocbq
= phba
->sli
.iocbq_lookup
[abrt_iotag
];
7645 fip
= abrtiocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
;
7649 if ((iocbq
->iocb
.ulpCommand
== CMD_CLOSE_XRI_CN
) || fip
)
7651 * The link is down, or the command was ELS_FIP
7652 * so the fw does not need to send abts
7655 bf_set(abort_cmd_ia
, &wqe
->abort_cmd
, 1);
7657 bf_set(abort_cmd_ia
, &wqe
->abort_cmd
, 0);
7658 bf_set(abort_cmd_criteria
, &wqe
->abort_cmd
, T_XRI_TAG
);
7659 /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */
7660 wqe
->abort_cmd
.rsrvd5
= 0;
7661 bf_set(wqe_ct
, &wqe
->abort_cmd
.wqe_com
,
7662 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
7663 abort_tag
= iocbq
->iocb
.un
.acxri
.abortIoTag
;
7665 * The abort handler will send us CMD_ABORT_XRI_CN or
7666 * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX
7668 bf_set(wqe_cmnd
, &wqe
->abort_cmd
.wqe_com
, CMD_ABORT_XRI_CX
);
7669 bf_set(wqe_qosd
, &wqe
->abort_cmd
.wqe_com
, 1);
7670 bf_set(wqe_lenloc
, &wqe
->abort_cmd
.wqe_com
,
7671 LPFC_WQE_LENLOC_NONE
);
7672 cmnd
= CMD_ABORT_XRI_CX
;
7673 command_type
= OTHER_COMMAND
;
7676 case CMD_XMIT_BLS_RSP64_CX
:
7677 /* As BLS ABTS RSP WQE is very different from other WQEs,
7678 * we re-construct this WQE here based on information in
7679 * iocbq from scratch.
7681 memset(wqe
, 0, sizeof(union lpfc_wqe
));
7682 /* OX_ID is invariable to who sent ABTS to CT exchange */
7683 bf_set(xmit_bls_rsp64_oxid
, &wqe
->xmit_bls_rsp
,
7684 bf_get(lpfc_abts_oxid
, &iocbq
->iocb
.un
.bls_rsp
));
7685 if (bf_get(lpfc_abts_orig
, &iocbq
->iocb
.un
.bls_rsp
) ==
7686 LPFC_ABTS_UNSOL_INT
) {
7687 /* ABTS sent by initiator to CT exchange, the
7688 * RX_ID field will be filled with the newly
7689 * allocated responder XRI.
7691 bf_set(xmit_bls_rsp64_rxid
, &wqe
->xmit_bls_rsp
,
7692 iocbq
->sli4_xritag
);
7694 /* ABTS sent by responder to CT exchange, the
7695 * RX_ID field will be filled with the responder
7698 bf_set(xmit_bls_rsp64_rxid
, &wqe
->xmit_bls_rsp
,
7699 bf_get(lpfc_abts_rxid
, &iocbq
->iocb
.un
.bls_rsp
));
7701 bf_set(xmit_bls_rsp64_seqcnthi
, &wqe
->xmit_bls_rsp
, 0xffff);
7702 bf_set(wqe_xmit_bls_pt
, &wqe
->xmit_bls_rsp
.wqe_dest
, 0x1);
7703 bf_set(wqe_ctxt_tag
, &wqe
->xmit_bls_rsp
.wqe_com
,
7704 iocbq
->iocb
.ulpContext
);
7705 bf_set(wqe_qosd
, &wqe
->xmit_bls_rsp
.wqe_com
, 1);
7706 bf_set(wqe_lenloc
, &wqe
->xmit_bls_rsp
.wqe_com
,
7707 LPFC_WQE_LENLOC_NONE
);
7708 /* Overwrite the pre-set comnd type with OTHER_COMMAND */
7709 command_type
= OTHER_COMMAND
;
7710 if (iocbq
->iocb
.un
.xseq64
.w5
.hcsw
.Rctl
== FC_RCTL_BA_RJT
) {
7711 bf_set(xmit_bls_rsp64_rjt_vspec
, &wqe
->xmit_bls_rsp
,
7712 bf_get(lpfc_vndr_code
, &iocbq
->iocb
.un
.bls_rsp
));
7713 bf_set(xmit_bls_rsp64_rjt_expc
, &wqe
->xmit_bls_rsp
,
7714 bf_get(lpfc_rsn_expln
, &iocbq
->iocb
.un
.bls_rsp
));
7715 bf_set(xmit_bls_rsp64_rjt_rsnc
, &wqe
->xmit_bls_rsp
,
7716 bf_get(lpfc_rsn_code
, &iocbq
->iocb
.un
.bls_rsp
));
7720 case CMD_XRI_ABORTED_CX
:
7721 case CMD_CREATE_XRI_CR
: /* Do we expect to use this? */
7722 case CMD_IOCB_FCP_IBIDIR64_CR
: /* bidirectional xfer */
7723 case CMD_FCP_TSEND64_CX
: /* Target mode send xfer-ready */
7724 case CMD_FCP_TRSP64_CX
: /* Target mode rcv */
7725 case CMD_FCP_AUTO_TRSP_CX
: /* Auto target rsp */
7727 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7728 "2014 Invalid command 0x%x\n",
7729 iocbq
->iocb
.ulpCommand
);
7734 bf_set(wqe_xri_tag
, &wqe
->generic
.wqe_com
, xritag
);
7735 bf_set(wqe_reqtag
, &wqe
->generic
.wqe_com
, iocbq
->iotag
);
7736 wqe
->generic
.wqe_com
.abort_tag
= abort_tag
;
7737 bf_set(wqe_cmd_type
, &wqe
->generic
.wqe_com
, command_type
);
7738 bf_set(wqe_cmnd
, &wqe
->generic
.wqe_com
, cmnd
);
7739 bf_set(wqe_class
, &wqe
->generic
.wqe_com
, iocbq
->iocb
.ulpClass
);
7740 bf_set(wqe_cqid
, &wqe
->generic
.wqe_com
, LPFC_WQE_CQ_ID_DEFAULT
);
7745 * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb
7746 * @phba: Pointer to HBA context object.
7747 * @ring_number: SLI ring number to issue iocb on.
7748 * @piocb: Pointer to command iocb.
7749 * @flag: Flag indicating if this command can be put into txq.
7751 * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue
7752 * an iocb command to an HBA with SLI-4 interface spec.
7754 * This function is called with hbalock held. The function will return success
7755 * after it successfully submit the iocb to firmware or after adding to the
7759 __lpfc_sli_issue_iocb_s4(struct lpfc_hba
*phba
, uint32_t ring_number
,
7760 struct lpfc_iocbq
*piocb
, uint32_t flag
)
7762 struct lpfc_sglq
*sglq
;
7764 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[ring_number
];
7766 if (piocb
->sli4_xritag
== NO_XRI
) {
7767 if (piocb
->iocb
.ulpCommand
== CMD_ABORT_XRI_CN
||
7768 piocb
->iocb
.ulpCommand
== CMD_CLOSE_XRI_CN
||
7769 piocb
->iocb
.ulpCommand
== CMD_XMIT_BLS_RSP64_CX
)
7772 if (pring
->txq_cnt
) {
7773 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
7774 __lpfc_sli_ringtx_put(phba
,
7776 return IOCB_SUCCESS
;
7781 sglq
= __lpfc_sli_get_sglq(phba
, piocb
);
7783 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
7784 __lpfc_sli_ringtx_put(phba
,
7787 return IOCB_SUCCESS
;
7793 } else if (piocb
->iocb_flag
& LPFC_IO_FCP
) {
7794 /* These IO's already have an XRI and a mapped sgl. */
7798 * This is a continuation of a commandi,(CX) so this
7799 * sglq is on the active list
7801 sglq
= __lpfc_get_active_sglq(phba
, piocb
->sli4_xritag
);
7807 piocb
->sli4_lxritag
= sglq
->sli4_lxritag
;
7808 piocb
->sli4_xritag
= sglq
->sli4_xritag
;
7809 if (NO_XRI
== lpfc_sli4_bpl2sgl(phba
, piocb
, sglq
))
7813 if (lpfc_sli4_iocb2wqe(phba
, piocb
, &wqe
))
7816 if ((piocb
->iocb_flag
& LPFC_IO_FCP
) ||
7817 (piocb
->iocb_flag
& LPFC_USE_FCPWQIDX
)) {
7819 * For FCP command IOCB, get a new WQ index to distribute
7820 * WQE across the WQsr. On the other hand, for abort IOCB,
7821 * it carries the same WQ index to the original command
7824 if (piocb
->iocb_flag
& LPFC_IO_FCP
)
7825 piocb
->fcp_wqidx
= lpfc_sli4_scmd_to_wqidx_distr(phba
);
7826 if (lpfc_sli4_wq_put(phba
->sli4_hba
.fcp_wq
[piocb
->fcp_wqidx
],
7830 if (lpfc_sli4_wq_put(phba
->sli4_hba
.els_wq
, &wqe
))
7833 lpfc_sli_ringtxcmpl_put(phba
, pring
, piocb
);
7839 * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb
7841 * This routine wraps the actual lockless version for issusing IOCB function
7842 * pointer from the lpfc_hba struct.
7845 * IOCB_ERROR - Error
7846 * IOCB_SUCCESS - Success
7850 __lpfc_sli_issue_iocb(struct lpfc_hba
*phba
, uint32_t ring_number
,
7851 struct lpfc_iocbq
*piocb
, uint32_t flag
)
7853 return phba
->__lpfc_sli_issue_iocb(phba
, ring_number
, piocb
, flag
);
7857 * lpfc_sli_api_table_setup - Set up sli api function jump table
7858 * @phba: The hba struct for which this call is being executed.
7859 * @dev_grp: The HBA PCI-Device group number.
7861 * This routine sets up the SLI interface API function jump table in @phba
7863 * Returns: 0 - success, -ENODEV - failure.
7866 lpfc_sli_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
7870 case LPFC_PCI_DEV_LP
:
7871 phba
->__lpfc_sli_issue_iocb
= __lpfc_sli_issue_iocb_s3
;
7872 phba
->__lpfc_sli_release_iocbq
= __lpfc_sli_release_iocbq_s3
;
7874 case LPFC_PCI_DEV_OC
:
7875 phba
->__lpfc_sli_issue_iocb
= __lpfc_sli_issue_iocb_s4
;
7876 phba
->__lpfc_sli_release_iocbq
= __lpfc_sli_release_iocbq_s4
;
7879 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7880 "1419 Invalid HBA PCI-device group: 0x%x\n",
7885 phba
->lpfc_get_iocb_from_iocbq
= lpfc_get_iocb_from_iocbq
;
7890 * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb
7891 * @phba: Pointer to HBA context object.
7892 * @pring: Pointer to driver SLI ring object.
7893 * @piocb: Pointer to command iocb.
7894 * @flag: Flag indicating if this command can be put into txq.
7896 * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb
7897 * function. This function gets the hbalock and calls
7898 * __lpfc_sli_issue_iocb function and will return the error returned
7899 * by __lpfc_sli_issue_iocb function. This wrapper is used by
7900 * functions which do not hold hbalock.
7903 lpfc_sli_issue_iocb(struct lpfc_hba
*phba
, uint32_t ring_number
,
7904 struct lpfc_iocbq
*piocb
, uint32_t flag
)
7906 unsigned long iflags
;
7909 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7910 rc
= __lpfc_sli_issue_iocb(phba
, ring_number
, piocb
, flag
);
7911 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7917 * lpfc_extra_ring_setup - Extra ring setup function
7918 * @phba: Pointer to HBA context object.
7920 * This function is called while driver attaches with the
7921 * HBA to setup the extra ring. The extra ring is used
7922 * only when driver needs to support target mode functionality
7923 * or IP over FC functionalities.
7925 * This function is called with no lock held.
7928 lpfc_extra_ring_setup( struct lpfc_hba
*phba
)
7930 struct lpfc_sli
*psli
;
7931 struct lpfc_sli_ring
*pring
;
7935 /* Adjust cmd/rsp ring iocb entries more evenly */
7937 /* Take some away from the FCP ring */
7938 pring
= &psli
->ring
[psli
->fcp_ring
];
7939 pring
->numCiocb
-= SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
7940 pring
->numRiocb
-= SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
7941 pring
->numCiocb
-= SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
7942 pring
->numRiocb
-= SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
7944 /* and give them to the extra ring */
7945 pring
= &psli
->ring
[psli
->extra_ring
];
7947 pring
->numCiocb
+= SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
7948 pring
->numRiocb
+= SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
7949 pring
->numCiocb
+= SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
7950 pring
->numRiocb
+= SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
7952 /* Setup default profile for this ring */
7953 pring
->iotag_max
= 4096;
7954 pring
->num_mask
= 1;
7955 pring
->prt
[0].profile
= 0; /* Mask 0 */
7956 pring
->prt
[0].rctl
= phba
->cfg_multi_ring_rctl
;
7957 pring
->prt
[0].type
= phba
->cfg_multi_ring_type
;
7958 pring
->prt
[0].lpfc_sli_rcv_unsol_event
= NULL
;
7963 * lpfc_sli_async_event_handler - ASYNC iocb handler function
7964 * @phba: Pointer to HBA context object.
7965 * @pring: Pointer to driver SLI ring object.
7966 * @iocbq: Pointer to iocb object.
7968 * This function is called by the slow ring event handler
7969 * function when there is an ASYNC event iocb in the ring.
7970 * This function is called with no lock held.
7971 * Currently this function handles only temperature related
7972 * ASYNC events. The function decodes the temperature sensor
7973 * event message and posts events for the management applications.
7976 lpfc_sli_async_event_handler(struct lpfc_hba
* phba
,
7977 struct lpfc_sli_ring
* pring
, struct lpfc_iocbq
* iocbq
)
7982 struct temp_event temp_event_data
;
7983 struct Scsi_Host
*shost
;
7986 icmd
= &iocbq
->iocb
;
7987 evt_code
= icmd
->un
.asyncstat
.evt_code
;
7988 temp
= icmd
->ulpContext
;
7990 if ((evt_code
!= ASYNC_TEMP_WARN
) &&
7991 (evt_code
!= ASYNC_TEMP_SAFE
)) {
7992 iocb_w
= (uint32_t *) icmd
;
7993 lpfc_printf_log(phba
,
7996 "0346 Ring %d handler: unexpected ASYNC_STATUS"
7998 "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n"
7999 "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n"
8000 "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n"
8001 "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n",
8003 icmd
->un
.asyncstat
.evt_code
,
8004 iocb_w
[0], iocb_w
[1], iocb_w
[2], iocb_w
[3],
8005 iocb_w
[4], iocb_w
[5], iocb_w
[6], iocb_w
[7],
8006 iocb_w
[8], iocb_w
[9], iocb_w
[10], iocb_w
[11],
8007 iocb_w
[12], iocb_w
[13], iocb_w
[14], iocb_w
[15]);
8011 temp_event_data
.data
= (uint32_t)temp
;
8012 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
8013 if (evt_code
== ASYNC_TEMP_WARN
) {
8014 temp_event_data
.event_code
= LPFC_THRESHOLD_TEMP
;
8015 lpfc_printf_log(phba
,
8018 "0347 Adapter is very hot, please take "
8019 "corrective action. temperature : %d Celsius\n",
8022 if (evt_code
== ASYNC_TEMP_SAFE
) {
8023 temp_event_data
.event_code
= LPFC_NORMAL_TEMP
;
8024 lpfc_printf_log(phba
,
8027 "0340 Adapter temperature is OK now. "
8028 "temperature : %d Celsius\n",
8032 /* Send temperature change event to applications */
8033 shost
= lpfc_shost_from_vport(phba
->pport
);
8034 fc_host_post_vendor_event(shost
, fc_get_event_number(),
8035 sizeof(temp_event_data
), (char *) &temp_event_data
,
8042 * lpfc_sli_setup - SLI ring setup function
8043 * @phba: Pointer to HBA context object.
8045 * lpfc_sli_setup sets up rings of the SLI interface with
8046 * number of iocbs per ring and iotags. This function is
8047 * called while driver attach to the HBA and before the
8048 * interrupts are enabled. So there is no need for locking.
8050 * This function always returns 0.
8053 lpfc_sli_setup(struct lpfc_hba
*phba
)
8055 int i
, totiocbsize
= 0;
8056 struct lpfc_sli
*psli
= &phba
->sli
;
8057 struct lpfc_sli_ring
*pring
;
8059 psli
->num_rings
= MAX_CONFIGURED_RINGS
;
8061 psli
->fcp_ring
= LPFC_FCP_RING
;
8062 psli
->next_ring
= LPFC_FCP_NEXT_RING
;
8063 psli
->extra_ring
= LPFC_EXTRA_RING
;
8065 psli
->iocbq_lookup
= NULL
;
8066 psli
->iocbq_lookup_len
= 0;
8067 psli
->last_iotag
= 0;
8069 for (i
= 0; i
< psli
->num_rings
; i
++) {
8070 pring
= &psli
->ring
[i
];
8072 case LPFC_FCP_RING
: /* ring 0 - FCP */
8073 /* numCiocb and numRiocb are used in config_port */
8074 pring
->numCiocb
= SLI2_IOCB_CMD_R0_ENTRIES
;
8075 pring
->numRiocb
= SLI2_IOCB_RSP_R0_ENTRIES
;
8076 pring
->numCiocb
+= SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
8077 pring
->numRiocb
+= SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
8078 pring
->numCiocb
+= SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
8079 pring
->numRiocb
+= SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
8080 pring
->sizeCiocb
= (phba
->sli_rev
== 3) ?
8081 SLI3_IOCB_CMD_SIZE
:
8083 pring
->sizeRiocb
= (phba
->sli_rev
== 3) ?
8084 SLI3_IOCB_RSP_SIZE
:
8086 pring
->iotag_ctr
= 0;
8088 (phba
->cfg_hba_queue_depth
* 2);
8089 pring
->fast_iotag
= pring
->iotag_max
;
8090 pring
->num_mask
= 0;
8092 case LPFC_EXTRA_RING
: /* ring 1 - EXTRA */
8093 /* numCiocb and numRiocb are used in config_port */
8094 pring
->numCiocb
= SLI2_IOCB_CMD_R1_ENTRIES
;
8095 pring
->numRiocb
= SLI2_IOCB_RSP_R1_ENTRIES
;
8096 pring
->sizeCiocb
= (phba
->sli_rev
== 3) ?
8097 SLI3_IOCB_CMD_SIZE
:
8099 pring
->sizeRiocb
= (phba
->sli_rev
== 3) ?
8100 SLI3_IOCB_RSP_SIZE
:
8102 pring
->iotag_max
= phba
->cfg_hba_queue_depth
;
8103 pring
->num_mask
= 0;
8105 case LPFC_ELS_RING
: /* ring 2 - ELS / CT */
8106 /* numCiocb and numRiocb are used in config_port */
8107 pring
->numCiocb
= SLI2_IOCB_CMD_R2_ENTRIES
;
8108 pring
->numRiocb
= SLI2_IOCB_RSP_R2_ENTRIES
;
8109 pring
->sizeCiocb
= (phba
->sli_rev
== 3) ?
8110 SLI3_IOCB_CMD_SIZE
:
8112 pring
->sizeRiocb
= (phba
->sli_rev
== 3) ?
8113 SLI3_IOCB_RSP_SIZE
:
8115 pring
->fast_iotag
= 0;
8116 pring
->iotag_ctr
= 0;
8117 pring
->iotag_max
= 4096;
8118 pring
->lpfc_sli_rcv_async_status
=
8119 lpfc_sli_async_event_handler
;
8120 pring
->num_mask
= LPFC_MAX_RING_MASK
;
8121 pring
->prt
[0].profile
= 0; /* Mask 0 */
8122 pring
->prt
[0].rctl
= FC_RCTL_ELS_REQ
;
8123 pring
->prt
[0].type
= FC_TYPE_ELS
;
8124 pring
->prt
[0].lpfc_sli_rcv_unsol_event
=
8125 lpfc_els_unsol_event
;
8126 pring
->prt
[1].profile
= 0; /* Mask 1 */
8127 pring
->prt
[1].rctl
= FC_RCTL_ELS_REP
;
8128 pring
->prt
[1].type
= FC_TYPE_ELS
;
8129 pring
->prt
[1].lpfc_sli_rcv_unsol_event
=
8130 lpfc_els_unsol_event
;
8131 pring
->prt
[2].profile
= 0; /* Mask 2 */
8132 /* NameServer Inquiry */
8133 pring
->prt
[2].rctl
= FC_RCTL_DD_UNSOL_CTL
;
8135 pring
->prt
[2].type
= FC_TYPE_CT
;
8136 pring
->prt
[2].lpfc_sli_rcv_unsol_event
=
8137 lpfc_ct_unsol_event
;
8138 pring
->prt
[3].profile
= 0; /* Mask 3 */
8139 /* NameServer response */
8140 pring
->prt
[3].rctl
= FC_RCTL_DD_SOL_CTL
;
8142 pring
->prt
[3].type
= FC_TYPE_CT
;
8143 pring
->prt
[3].lpfc_sli_rcv_unsol_event
=
8144 lpfc_ct_unsol_event
;
8145 /* abort unsolicited sequence */
8146 pring
->prt
[4].profile
= 0; /* Mask 4 */
8147 pring
->prt
[4].rctl
= FC_RCTL_BA_ABTS
;
8148 pring
->prt
[4].type
= FC_TYPE_BLS
;
8149 pring
->prt
[4].lpfc_sli_rcv_unsol_event
=
8150 lpfc_sli4_ct_abort_unsol_event
;
8153 totiocbsize
+= (pring
->numCiocb
* pring
->sizeCiocb
) +
8154 (pring
->numRiocb
* pring
->sizeRiocb
);
8156 if (totiocbsize
> MAX_SLIM_IOCB_SIZE
) {
8157 /* Too many cmd / rsp ring entries in SLI2 SLIM */
8158 printk(KERN_ERR
"%d:0462 Too many cmd / rsp ring entries in "
8159 "SLI2 SLIM Data: x%x x%lx\n",
8160 phba
->brd_no
, totiocbsize
,
8161 (unsigned long) MAX_SLIM_IOCB_SIZE
);
8163 if (phba
->cfg_multi_ring_support
== 2)
8164 lpfc_extra_ring_setup(phba
);
8170 * lpfc_sli_queue_setup - Queue initialization function
8171 * @phba: Pointer to HBA context object.
8173 * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each
8174 * ring. This function also initializes ring indices of each ring.
8175 * This function is called during the initialization of the SLI
8176 * interface of an HBA.
8177 * This function is called with no lock held and always returns
8181 lpfc_sli_queue_setup(struct lpfc_hba
*phba
)
8183 struct lpfc_sli
*psli
;
8184 struct lpfc_sli_ring
*pring
;
8188 spin_lock_irq(&phba
->hbalock
);
8189 INIT_LIST_HEAD(&psli
->mboxq
);
8190 INIT_LIST_HEAD(&psli
->mboxq_cmpl
);
8191 /* Initialize list headers for txq and txcmplq as double linked lists */
8192 for (i
= 0; i
< psli
->num_rings
; i
++) {
8193 pring
= &psli
->ring
[i
];
8195 pring
->next_cmdidx
= 0;
8196 pring
->local_getidx
= 0;
8198 INIT_LIST_HEAD(&pring
->txq
);
8199 INIT_LIST_HEAD(&pring
->txcmplq
);
8200 INIT_LIST_HEAD(&pring
->iocb_continueq
);
8201 INIT_LIST_HEAD(&pring
->iocb_continue_saveq
);
8202 INIT_LIST_HEAD(&pring
->postbufq
);
8204 spin_unlock_irq(&phba
->hbalock
);
8209 * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system
8210 * @phba: Pointer to HBA context object.
8212 * This routine flushes the mailbox command subsystem. It will unconditionally
8213 * flush all the mailbox commands in the three possible stages in the mailbox
8214 * command sub-system: pending mailbox command queue; the outstanding mailbox
8215 * command; and completed mailbox command queue. It is caller's responsibility
8216 * to make sure that the driver is in the proper state to flush the mailbox
8217 * command sub-system. Namely, the posting of mailbox commands into the
8218 * pending mailbox command queue from the various clients must be stopped;
8219 * either the HBA is in a state that it will never works on the outstanding
8220 * mailbox command (such as in EEH or ERATT conditions) or the outstanding
8221 * mailbox command has been completed.
8224 lpfc_sli_mbox_sys_flush(struct lpfc_hba
*phba
)
8226 LIST_HEAD(completions
);
8227 struct lpfc_sli
*psli
= &phba
->sli
;
8229 unsigned long iflag
;
8231 /* Flush all the mailbox commands in the mbox system */
8232 spin_lock_irqsave(&phba
->hbalock
, iflag
);
8233 /* The pending mailbox command queue */
8234 list_splice_init(&phba
->sli
.mboxq
, &completions
);
8235 /* The outstanding active mailbox command */
8236 if (psli
->mbox_active
) {
8237 list_add_tail(&psli
->mbox_active
->list
, &completions
);
8238 psli
->mbox_active
= NULL
;
8239 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8241 /* The completed mailbox command queue */
8242 list_splice_init(&phba
->sli
.mboxq_cmpl
, &completions
);
8243 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
8245 /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */
8246 while (!list_empty(&completions
)) {
8247 list_remove_head(&completions
, pmb
, LPFC_MBOXQ_t
, list
);
8248 pmb
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8250 pmb
->mbox_cmpl(phba
, pmb
);
8255 * lpfc_sli_host_down - Vport cleanup function
8256 * @vport: Pointer to virtual port object.
8258 * lpfc_sli_host_down is called to clean up the resources
8259 * associated with a vport before destroying virtual
8260 * port data structures.
8261 * This function does following operations:
8262 * - Free discovery resources associated with this virtual
8264 * - Free iocbs associated with this virtual port in
8266 * - Send abort for all iocb commands associated with this
8269 * This function is called with no lock held and always returns 1.
8272 lpfc_sli_host_down(struct lpfc_vport
*vport
)
8274 LIST_HEAD(completions
);
8275 struct lpfc_hba
*phba
= vport
->phba
;
8276 struct lpfc_sli
*psli
= &phba
->sli
;
8277 struct lpfc_sli_ring
*pring
;
8278 struct lpfc_iocbq
*iocb
, *next_iocb
;
8280 unsigned long flags
= 0;
8281 uint16_t prev_pring_flag
;
8283 lpfc_cleanup_discovery_resources(vport
);
8285 spin_lock_irqsave(&phba
->hbalock
, flags
);
8286 for (i
= 0; i
< psli
->num_rings
; i
++) {
8287 pring
= &psli
->ring
[i
];
8288 prev_pring_flag
= pring
->flag
;
8289 /* Only slow rings */
8290 if (pring
->ringno
== LPFC_ELS_RING
) {
8291 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
8292 /* Set the lpfc data pending flag */
8293 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
8296 * Error everything on the txq since these iocbs have not been
8297 * given to the FW yet.
8299 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
, list
) {
8300 if (iocb
->vport
!= vport
)
8302 list_move_tail(&iocb
->list
, &completions
);
8306 /* Next issue ABTS for everything on the txcmplq */
8307 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
,
8309 if (iocb
->vport
!= vport
)
8311 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
8314 pring
->flag
= prev_pring_flag
;
8317 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
8319 /* Cancel all the IOCBs from the completions list */
8320 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
8326 * lpfc_sli_hba_down - Resource cleanup function for the HBA
8327 * @phba: Pointer to HBA context object.
8329 * This function cleans up all iocb, buffers, mailbox commands
8330 * while shutting down the HBA. This function is called with no
8331 * lock held and always returns 1.
8332 * This function does the following to cleanup driver resources:
8333 * - Free discovery resources for each virtual port
8334 * - Cleanup any pending fabric iocbs
8335 * - Iterate through the iocb txq and free each entry
8337 * - Free up any buffer posted to the HBA
8338 * - Free mailbox commands in the mailbox queue.
8341 lpfc_sli_hba_down(struct lpfc_hba
*phba
)
8343 LIST_HEAD(completions
);
8344 struct lpfc_sli
*psli
= &phba
->sli
;
8345 struct lpfc_sli_ring
*pring
;
8346 struct lpfc_dmabuf
*buf_ptr
;
8347 unsigned long flags
= 0;
8350 /* Shutdown the mailbox command sub-system */
8351 lpfc_sli_mbox_sys_shutdown(phba
);
8353 lpfc_hba_down_prep(phba
);
8355 lpfc_fabric_abort_hba(phba
);
8357 spin_lock_irqsave(&phba
->hbalock
, flags
);
8358 for (i
= 0; i
< psli
->num_rings
; i
++) {
8359 pring
= &psli
->ring
[i
];
8360 /* Only slow rings */
8361 if (pring
->ringno
== LPFC_ELS_RING
) {
8362 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
8363 /* Set the lpfc data pending flag */
8364 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
8368 * Error everything on the txq since these iocbs have not been
8369 * given to the FW yet.
8371 list_splice_init(&pring
->txq
, &completions
);
8375 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
8377 /* Cancel all the IOCBs from the completions list */
8378 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
8381 spin_lock_irqsave(&phba
->hbalock
, flags
);
8382 list_splice_init(&phba
->elsbuf
, &completions
);
8383 phba
->elsbuf_cnt
= 0;
8384 phba
->elsbuf_prev_cnt
= 0;
8385 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
8387 while (!list_empty(&completions
)) {
8388 list_remove_head(&completions
, buf_ptr
,
8389 struct lpfc_dmabuf
, list
);
8390 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
8394 /* Return any active mbox cmds */
8395 del_timer_sync(&psli
->mbox_tmo
);
8397 spin_lock_irqsave(&phba
->pport
->work_port_lock
, flags
);
8398 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
8399 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, flags
);
8405 * lpfc_sli_pcimem_bcopy - SLI memory copy function
8406 * @srcp: Source memory pointer.
8407 * @destp: Destination memory pointer.
8408 * @cnt: Number of words required to be copied.
8410 * This function is used for copying data between driver memory
8411 * and the SLI memory. This function also changes the endianness
8412 * of each word if native endianness is different from SLI
8413 * endianness. This function can be called with or without
8417 lpfc_sli_pcimem_bcopy(void *srcp
, void *destp
, uint32_t cnt
)
8419 uint32_t *src
= srcp
;
8420 uint32_t *dest
= destp
;
8424 for (i
= 0; i
< (int)cnt
; i
+= sizeof (uint32_t)) {
8426 ldata
= le32_to_cpu(ldata
);
8435 * lpfc_sli_bemem_bcopy - SLI memory copy function
8436 * @srcp: Source memory pointer.
8437 * @destp: Destination memory pointer.
8438 * @cnt: Number of words required to be copied.
8440 * This function is used for copying data between a data structure
8441 * with big endian representation to local endianness.
8442 * This function can be called with or without lock.
8445 lpfc_sli_bemem_bcopy(void *srcp
, void *destp
, uint32_t cnt
)
8447 uint32_t *src
= srcp
;
8448 uint32_t *dest
= destp
;
8452 for (i
= 0; i
< (int)cnt
; i
+= sizeof(uint32_t)) {
8454 ldata
= be32_to_cpu(ldata
);
8462 * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq
8463 * @phba: Pointer to HBA context object.
8464 * @pring: Pointer to driver SLI ring object.
8465 * @mp: Pointer to driver buffer object.
8467 * This function is called with no lock held.
8468 * It always return zero after adding the buffer to the postbufq
8472 lpfc_sli_ringpostbuf_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
8473 struct lpfc_dmabuf
*mp
)
8475 /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up
8477 spin_lock_irq(&phba
->hbalock
);
8478 list_add_tail(&mp
->list
, &pring
->postbufq
);
8479 pring
->postbufq_cnt
++;
8480 spin_unlock_irq(&phba
->hbalock
);
8485 * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer
8486 * @phba: Pointer to HBA context object.
8488 * When HBQ is enabled, buffers are searched based on tags. This function
8489 * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The
8490 * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag
8491 * does not conflict with tags of buffer posted for unsolicited events.
8492 * The function returns the allocated tag. The function is called with
8496 lpfc_sli_get_buffer_tag(struct lpfc_hba
*phba
)
8498 spin_lock_irq(&phba
->hbalock
);
8499 phba
->buffer_tag_count
++;
8501 * Always set the QUE_BUFTAG_BIT to distiguish between
8502 * a tag assigned by HBQ.
8504 phba
->buffer_tag_count
|= QUE_BUFTAG_BIT
;
8505 spin_unlock_irq(&phba
->hbalock
);
8506 return phba
->buffer_tag_count
;
8510 * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag
8511 * @phba: Pointer to HBA context object.
8512 * @pring: Pointer to driver SLI ring object.
8515 * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq
8516 * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX
8517 * iocb is posted to the response ring with the tag of the buffer.
8518 * This function searches the pring->postbufq list using the tag
8519 * to find buffer associated with CMD_IOCB_RET_XRI64_CX
8520 * iocb. If the buffer is found then lpfc_dmabuf object of the
8521 * buffer is returned to the caller else NULL is returned.
8522 * This function is called with no lock held.
8524 struct lpfc_dmabuf
*
8525 lpfc_sli_ring_taggedbuf_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
8528 struct lpfc_dmabuf
*mp
, *next_mp
;
8529 struct list_head
*slp
= &pring
->postbufq
;
8531 /* Search postbufq, from the beginning, looking for a match on tag */
8532 spin_lock_irq(&phba
->hbalock
);
8533 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
8534 if (mp
->buffer_tag
== tag
) {
8535 list_del_init(&mp
->list
);
8536 pring
->postbufq_cnt
--;
8537 spin_unlock_irq(&phba
->hbalock
);
8542 spin_unlock_irq(&phba
->hbalock
);
8543 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8544 "0402 Cannot find virtual addr for buffer tag on "
8545 "ring %d Data x%lx x%p x%p x%x\n",
8546 pring
->ringno
, (unsigned long) tag
,
8547 slp
->next
, slp
->prev
, pring
->postbufq_cnt
);
8553 * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events
8554 * @phba: Pointer to HBA context object.
8555 * @pring: Pointer to driver SLI ring object.
8556 * @phys: DMA address of the buffer.
8558 * This function searches the buffer list using the dma_address
8559 * of unsolicited event to find the driver's lpfc_dmabuf object
8560 * corresponding to the dma_address. The function returns the
8561 * lpfc_dmabuf object if a buffer is found else it returns NULL.
8562 * This function is called by the ct and els unsolicited event
8563 * handlers to get the buffer associated with the unsolicited
8566 * This function is called with no lock held.
8568 struct lpfc_dmabuf
*
8569 lpfc_sli_ringpostbuf_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
8572 struct lpfc_dmabuf
*mp
, *next_mp
;
8573 struct list_head
*slp
= &pring
->postbufq
;
8575 /* Search postbufq, from the beginning, looking for a match on phys */
8576 spin_lock_irq(&phba
->hbalock
);
8577 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
8578 if (mp
->phys
== phys
) {
8579 list_del_init(&mp
->list
);
8580 pring
->postbufq_cnt
--;
8581 spin_unlock_irq(&phba
->hbalock
);
8586 spin_unlock_irq(&phba
->hbalock
);
8587 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8588 "0410 Cannot find virtual addr for mapped buf on "
8589 "ring %d Data x%llx x%p x%p x%x\n",
8590 pring
->ringno
, (unsigned long long)phys
,
8591 slp
->next
, slp
->prev
, pring
->postbufq_cnt
);
8596 * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs
8597 * @phba: Pointer to HBA context object.
8598 * @cmdiocb: Pointer to driver command iocb object.
8599 * @rspiocb: Pointer to driver response iocb object.
8601 * This function is the completion handler for the abort iocbs for
8602 * ELS commands. This function is called from the ELS ring event
8603 * handler with no lock held. This function frees memory resources
8604 * associated with the abort iocb.
8607 lpfc_sli_abort_els_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
8608 struct lpfc_iocbq
*rspiocb
)
8610 IOCB_t
*irsp
= &rspiocb
->iocb
;
8611 uint16_t abort_iotag
, abort_context
;
8612 struct lpfc_iocbq
*abort_iocb
;
8613 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
8617 if (irsp
->ulpStatus
) {
8618 abort_context
= cmdiocb
->iocb
.un
.acxri
.abortContextTag
;
8619 abort_iotag
= cmdiocb
->iocb
.un
.acxri
.abortIoTag
;
8621 spin_lock_irq(&phba
->hbalock
);
8622 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
8623 if (abort_iotag
!= 0 &&
8624 abort_iotag
<= phba
->sli
.last_iotag
)
8626 phba
->sli
.iocbq_lookup
[abort_iotag
];
8628 /* For sli4 the abort_tag is the XRI,
8629 * so the abort routine puts the iotag of the iocb
8630 * being aborted in the context field of the abort
8633 abort_iocb
= phba
->sli
.iocbq_lookup
[abort_context
];
8636 * If the iocb is not found in Firmware queue the iocb
8637 * might have completed already. Do not free it again.
8639 if (irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) {
8640 if (irsp
->un
.ulpWord
[4] != IOERR_NO_XRI
) {
8641 spin_unlock_irq(&phba
->hbalock
);
8642 lpfc_sli_release_iocbq(phba
, cmdiocb
);
8645 /* For SLI4 the ulpContext field for abort IOCB
8646 * holds the iotag of the IOCB being aborted so
8647 * the local abort_context needs to be reset to
8648 * match the aborted IOCBs ulpContext.
8650 if (abort_iocb
&& phba
->sli_rev
== LPFC_SLI_REV4
)
8651 abort_context
= abort_iocb
->iocb
.ulpContext
;
8654 lpfc_printf_log(phba
, KERN_WARNING
, LOG_ELS
| LOG_SLI
,
8655 "0327 Cannot abort els iocb %p "
8656 "with tag %x context %x, abort status %x, "
8658 abort_iocb
, abort_iotag
, abort_context
,
8659 irsp
->ulpStatus
, irsp
->un
.ulpWord
[4]);
8661 * make sure we have the right iocbq before taking it
8662 * off the txcmplq and try to call completion routine.
8665 abort_iocb
->iocb
.ulpContext
!= abort_context
||
8666 (abort_iocb
->iocb_flag
& LPFC_DRIVER_ABORTED
) == 0)
8667 spin_unlock_irq(&phba
->hbalock
);
8668 else if (phba
->sli_rev
< LPFC_SLI_REV4
) {
8670 * leave the SLI4 aborted command on the txcmplq
8671 * list and the command complete WCQE's XB bit
8672 * will tell whether the SGL (XRI) can be released
8673 * immediately or to the aborted SGL list for the
8674 * following abort XRI from the HBA.
8676 list_del_init(&abort_iocb
->list
);
8677 if (abort_iocb
->iocb_flag
& LPFC_IO_ON_Q
) {
8678 abort_iocb
->iocb_flag
&= ~LPFC_IO_ON_Q
;
8679 pring
->txcmplq_cnt
--;
8682 /* Firmware could still be in progress of DMAing
8683 * payload, so don't free data buffer till after
8686 abort_iocb
->iocb_flag
|= LPFC_DELAY_MEM_FREE
;
8687 abort_iocb
->iocb_flag
&= ~LPFC_DRIVER_ABORTED
;
8688 spin_unlock_irq(&phba
->hbalock
);
8690 abort_iocb
->iocb
.ulpStatus
= IOSTAT_LOCAL_REJECT
;
8691 abort_iocb
->iocb
.un
.ulpWord
[4] = IOERR_ABORT_REQUESTED
;
8692 (abort_iocb
->iocb_cmpl
)(phba
, abort_iocb
, abort_iocb
);
8694 spin_unlock_irq(&phba
->hbalock
);
8697 lpfc_sli_release_iocbq(phba
, cmdiocb
);
8702 * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command
8703 * @phba: Pointer to HBA context object.
8704 * @cmdiocb: Pointer to driver command iocb object.
8705 * @rspiocb: Pointer to driver response iocb object.
8707 * The function is called from SLI ring event handler with no
8708 * lock held. This function is the completion handler for ELS commands
8709 * which are aborted. The function frees memory resources used for
8710 * the aborted ELS commands.
8713 lpfc_ignore_els_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
8714 struct lpfc_iocbq
*rspiocb
)
8716 IOCB_t
*irsp
= &rspiocb
->iocb
;
8718 /* ELS cmd tag <ulpIoTag> completes */
8719 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
8720 "0139 Ignoring ELS cmd tag x%x completion Data: "
8722 irsp
->ulpIoTag
, irsp
->ulpStatus
,
8723 irsp
->un
.ulpWord
[4], irsp
->ulpTimeout
);
8724 if (cmdiocb
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
)
8725 lpfc_ct_free_iocb(phba
, cmdiocb
);
8727 lpfc_els_free_iocb(phba
, cmdiocb
);
8732 * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb
8733 * @phba: Pointer to HBA context object.
8734 * @pring: Pointer to driver SLI ring object.
8735 * @cmdiocb: Pointer to driver command iocb object.
8737 * This function issues an abort iocb for the provided command iocb down to
8738 * the port. Other than the case the outstanding command iocb is an abort
8739 * request, this function issues abort out unconditionally. This function is
8740 * called with hbalock held. The function returns 0 when it fails due to
8741 * memory allocation failure or when the command iocb is an abort request.
8744 lpfc_sli_abort_iotag_issue(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
8745 struct lpfc_iocbq
*cmdiocb
)
8747 struct lpfc_vport
*vport
= cmdiocb
->vport
;
8748 struct lpfc_iocbq
*abtsiocbp
;
8749 IOCB_t
*icmd
= NULL
;
8750 IOCB_t
*iabt
= NULL
;
8754 * There are certain command types we don't want to abort. And we
8755 * don't want to abort commands that are already in the process of
8758 icmd
= &cmdiocb
->iocb
;
8759 if (icmd
->ulpCommand
== CMD_ABORT_XRI_CN
||
8760 icmd
->ulpCommand
== CMD_CLOSE_XRI_CN
||
8761 (cmdiocb
->iocb_flag
& LPFC_DRIVER_ABORTED
) != 0)
8764 /* issue ABTS for this IOCB based on iotag */
8765 abtsiocbp
= __lpfc_sli_get_iocbq(phba
);
8766 if (abtsiocbp
== NULL
)
8769 /* This signals the response to set the correct status
8770 * before calling the completion handler
8772 cmdiocb
->iocb_flag
|= LPFC_DRIVER_ABORTED
;
8774 iabt
= &abtsiocbp
->iocb
;
8775 iabt
->un
.acxri
.abortType
= ABORT_TYPE_ABTS
;
8776 iabt
->un
.acxri
.abortContextTag
= icmd
->ulpContext
;
8777 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
8778 iabt
->un
.acxri
.abortIoTag
= cmdiocb
->sli4_xritag
;
8779 iabt
->un
.acxri
.abortContextTag
= cmdiocb
->iotag
;
8782 iabt
->un
.acxri
.abortIoTag
= icmd
->ulpIoTag
;
8784 iabt
->ulpClass
= icmd
->ulpClass
;
8786 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
8787 abtsiocbp
->fcp_wqidx
= cmdiocb
->fcp_wqidx
;
8788 if (cmdiocb
->iocb_flag
& LPFC_IO_FCP
)
8789 abtsiocbp
->iocb_flag
|= LPFC_USE_FCPWQIDX
;
8791 if (phba
->link_state
>= LPFC_LINK_UP
)
8792 iabt
->ulpCommand
= CMD_ABORT_XRI_CN
;
8794 iabt
->ulpCommand
= CMD_CLOSE_XRI_CN
;
8796 abtsiocbp
->iocb_cmpl
= lpfc_sli_abort_els_cmpl
;
8798 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
8799 "0339 Abort xri x%x, original iotag x%x, "
8800 "abort cmd iotag x%x\n",
8801 iabt
->un
.acxri
.abortIoTag
,
8802 iabt
->un
.acxri
.abortContextTag
,
8804 retval
= __lpfc_sli_issue_iocb(phba
, pring
->ringno
, abtsiocbp
, 0);
8807 __lpfc_sli_release_iocbq(phba
, abtsiocbp
);
8810 * Caller to this routine should check for IOCB_ERROR
8811 * and handle it properly. This routine no longer removes
8812 * iocb off txcmplq and call compl in case of IOCB_ERROR.
8818 * lpfc_sli_issue_abort_iotag - Abort function for a command iocb
8819 * @phba: Pointer to HBA context object.
8820 * @pring: Pointer to driver SLI ring object.
8821 * @cmdiocb: Pointer to driver command iocb object.
8823 * This function issues an abort iocb for the provided command iocb. In case
8824 * of unloading, the abort iocb will not be issued to commands on the ELS
8825 * ring. Instead, the callback function shall be changed to those commands
8826 * so that nothing happens when them finishes. This function is called with
8827 * hbalock held. The function returns 0 when the command iocb is an abort
8831 lpfc_sli_issue_abort_iotag(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
8832 struct lpfc_iocbq
*cmdiocb
)
8834 struct lpfc_vport
*vport
= cmdiocb
->vport
;
8835 int retval
= IOCB_ERROR
;
8836 IOCB_t
*icmd
= NULL
;
8839 * There are certain command types we don't want to abort. And we
8840 * don't want to abort commands that are already in the process of
8843 icmd
= &cmdiocb
->iocb
;
8844 if (icmd
->ulpCommand
== CMD_ABORT_XRI_CN
||
8845 icmd
->ulpCommand
== CMD_CLOSE_XRI_CN
||
8846 (cmdiocb
->iocb_flag
& LPFC_DRIVER_ABORTED
) != 0)
8850 * If we're unloading, don't abort iocb on the ELS ring, but change
8851 * the callback so that nothing happens when it finishes.
8853 if ((vport
->load_flag
& FC_UNLOADING
) &&
8854 (pring
->ringno
== LPFC_ELS_RING
)) {
8855 if (cmdiocb
->iocb_flag
& LPFC_IO_FABRIC
)
8856 cmdiocb
->fabric_iocb_cmpl
= lpfc_ignore_els_cmpl
;
8858 cmdiocb
->iocb_cmpl
= lpfc_ignore_els_cmpl
;
8859 goto abort_iotag_exit
;
8862 /* Now, we try to issue the abort to the cmdiocb out */
8863 retval
= lpfc_sli_abort_iotag_issue(phba
, pring
, cmdiocb
);
8867 * Caller to this routine should check for IOCB_ERROR
8868 * and handle it properly. This routine no longer removes
8869 * iocb off txcmplq and call compl in case of IOCB_ERROR.
8875 * lpfc_sli_iocb_ring_abort - Unconditionally abort all iocbs on an iocb ring
8876 * @phba: Pointer to HBA context object.
8877 * @pring: Pointer to driver SLI ring object.
8879 * This function aborts all iocbs in the given ring and frees all the iocb
8880 * objects in txq. This function issues abort iocbs unconditionally for all
8881 * the iocb commands in txcmplq. The iocbs in the txcmplq is not guaranteed
8882 * to complete before the return of this function. The caller is not required
8883 * to hold any locks.
8886 lpfc_sli_iocb_ring_abort(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
8888 LIST_HEAD(completions
);
8889 struct lpfc_iocbq
*iocb
, *next_iocb
;
8891 if (pring
->ringno
== LPFC_ELS_RING
)
8892 lpfc_fabric_abort_hba(phba
);
8894 spin_lock_irq(&phba
->hbalock
);
8896 /* Take off all the iocbs on txq for cancelling */
8897 list_splice_init(&pring
->txq
, &completions
);
8900 /* Next issue ABTS for everything on the txcmplq */
8901 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
)
8902 lpfc_sli_abort_iotag_issue(phba
, pring
, iocb
);
8904 spin_unlock_irq(&phba
->hbalock
);
8906 /* Cancel all the IOCBs from the completions list */
8907 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
8912 * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba.
8913 * @phba: pointer to lpfc HBA data structure.
8915 * This routine will abort all pending and outstanding iocbs to an HBA.
8918 lpfc_sli_hba_iocb_abort(struct lpfc_hba
*phba
)
8920 struct lpfc_sli
*psli
= &phba
->sli
;
8921 struct lpfc_sli_ring
*pring
;
8924 for (i
= 0; i
< psli
->num_rings
; i
++) {
8925 pring
= &psli
->ring
[i
];
8926 lpfc_sli_iocb_ring_abort(phba
, pring
);
8931 * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN
8932 * @iocbq: Pointer to driver iocb object.
8933 * @vport: Pointer to driver virtual port object.
8934 * @tgt_id: SCSI ID of the target.
8935 * @lun_id: LUN ID of the scsi device.
8936 * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST
8938 * This function acts as an iocb filter for functions which abort or count
8939 * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return
8940 * 0 if the filtering criteria is met for the given iocb and will return
8941 * 1 if the filtering criteria is not met.
8942 * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the
8943 * given iocb is for the SCSI device specified by vport, tgt_id and
8945 * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the
8946 * given iocb is for the SCSI target specified by vport and tgt_id
8948 * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the
8949 * given iocb is for the SCSI host associated with the given vport.
8950 * This function is called with no locks held.
8953 lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq
*iocbq
, struct lpfc_vport
*vport
,
8954 uint16_t tgt_id
, uint64_t lun_id
,
8955 lpfc_ctx_cmd ctx_cmd
)
8957 struct lpfc_scsi_buf
*lpfc_cmd
;
8960 if (!(iocbq
->iocb_flag
& LPFC_IO_FCP
))
8963 if (iocbq
->vport
!= vport
)
8966 lpfc_cmd
= container_of(iocbq
, struct lpfc_scsi_buf
, cur_iocbq
);
8968 if (lpfc_cmd
->pCmd
== NULL
)
8973 if ((lpfc_cmd
->rdata
->pnode
) &&
8974 (lpfc_cmd
->rdata
->pnode
->nlp_sid
== tgt_id
) &&
8975 (scsilun_to_int(&lpfc_cmd
->fcp_cmnd
->fcp_lun
) == lun_id
))
8979 if ((lpfc_cmd
->rdata
->pnode
) &&
8980 (lpfc_cmd
->rdata
->pnode
->nlp_sid
== tgt_id
))
8987 printk(KERN_ERR
"%s: Unknown context cmd type, value %d\n",
8996 * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending
8997 * @vport: Pointer to virtual port.
8998 * @tgt_id: SCSI ID of the target.
8999 * @lun_id: LUN ID of the scsi device.
9000 * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
9002 * This function returns number of FCP commands pending for the vport.
9003 * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP
9004 * commands pending on the vport associated with SCSI device specified
9005 * by tgt_id and lun_id parameters.
9006 * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP
9007 * commands pending on the vport associated with SCSI target specified
9008 * by tgt_id parameter.
9009 * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP
9010 * commands pending on the vport.
9011 * This function returns the number of iocbs which satisfy the filter.
9012 * This function is called without any lock held.
9015 lpfc_sli_sum_iocb(struct lpfc_vport
*vport
, uint16_t tgt_id
, uint64_t lun_id
,
9016 lpfc_ctx_cmd ctx_cmd
)
9018 struct lpfc_hba
*phba
= vport
->phba
;
9019 struct lpfc_iocbq
*iocbq
;
9022 for (i
= 1, sum
= 0; i
<= phba
->sli
.last_iotag
; i
++) {
9023 iocbq
= phba
->sli
.iocbq_lookup
[i
];
9025 if (lpfc_sli_validate_fcp_iocb (iocbq
, vport
, tgt_id
, lun_id
,
9034 * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs
9035 * @phba: Pointer to HBA context object
9036 * @cmdiocb: Pointer to command iocb object.
9037 * @rspiocb: Pointer to response iocb object.
9039 * This function is called when an aborted FCP iocb completes. This
9040 * function is called by the ring event handler with no lock held.
9041 * This function frees the iocb.
9044 lpfc_sli_abort_fcp_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
9045 struct lpfc_iocbq
*rspiocb
)
9047 lpfc_sli_release_iocbq(phba
, cmdiocb
);
9052 * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN
9053 * @vport: Pointer to virtual port.
9054 * @pring: Pointer to driver SLI ring object.
9055 * @tgt_id: SCSI ID of the target.
9056 * @lun_id: LUN ID of the scsi device.
9057 * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
9059 * This function sends an abort command for every SCSI command
9060 * associated with the given virtual port pending on the ring
9061 * filtered by lpfc_sli_validate_fcp_iocb function.
9062 * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the
9063 * FCP iocbs associated with lun specified by tgt_id and lun_id
9065 * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the
9066 * FCP iocbs associated with SCSI target specified by tgt_id parameter.
9067 * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all
9068 * FCP iocbs associated with virtual port.
9069 * This function returns number of iocbs it failed to abort.
9070 * This function is called with no locks held.
9073 lpfc_sli_abort_iocb(struct lpfc_vport
*vport
, struct lpfc_sli_ring
*pring
,
9074 uint16_t tgt_id
, uint64_t lun_id
, lpfc_ctx_cmd abort_cmd
)
9076 struct lpfc_hba
*phba
= vport
->phba
;
9077 struct lpfc_iocbq
*iocbq
;
9078 struct lpfc_iocbq
*abtsiocb
;
9080 int errcnt
= 0, ret_val
= 0;
9083 for (i
= 1; i
<= phba
->sli
.last_iotag
; i
++) {
9084 iocbq
= phba
->sli
.iocbq_lookup
[i
];
9086 if (lpfc_sli_validate_fcp_iocb(iocbq
, vport
, tgt_id
, lun_id
,
9090 /* issue ABTS for this IOCB based on iotag */
9091 abtsiocb
= lpfc_sli_get_iocbq(phba
);
9092 if (abtsiocb
== NULL
) {
9098 abtsiocb
->iocb
.un
.acxri
.abortType
= ABORT_TYPE_ABTS
;
9099 abtsiocb
->iocb
.un
.acxri
.abortContextTag
= cmd
->ulpContext
;
9100 if (phba
->sli_rev
== LPFC_SLI_REV4
)
9101 abtsiocb
->iocb
.un
.acxri
.abortIoTag
= iocbq
->sli4_xritag
;
9103 abtsiocb
->iocb
.un
.acxri
.abortIoTag
= cmd
->ulpIoTag
;
9104 abtsiocb
->iocb
.ulpLe
= 1;
9105 abtsiocb
->iocb
.ulpClass
= cmd
->ulpClass
;
9106 abtsiocb
->vport
= phba
->pport
;
9108 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
9109 abtsiocb
->fcp_wqidx
= iocbq
->fcp_wqidx
;
9110 if (iocbq
->iocb_flag
& LPFC_IO_FCP
)
9111 abtsiocb
->iocb_flag
|= LPFC_USE_FCPWQIDX
;
9113 if (lpfc_is_link_up(phba
))
9114 abtsiocb
->iocb
.ulpCommand
= CMD_ABORT_XRI_CN
;
9116 abtsiocb
->iocb
.ulpCommand
= CMD_CLOSE_XRI_CN
;
9118 /* Setup callback routine and issue the command. */
9119 abtsiocb
->iocb_cmpl
= lpfc_sli_abort_fcp_cmpl
;
9120 ret_val
= lpfc_sli_issue_iocb(phba
, pring
->ringno
,
9122 if (ret_val
== IOCB_ERROR
) {
9123 lpfc_sli_release_iocbq(phba
, abtsiocb
);
9133 * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler
9134 * @phba: Pointer to HBA context object.
9135 * @cmdiocbq: Pointer to command iocb.
9136 * @rspiocbq: Pointer to response iocb.
9138 * This function is the completion handler for iocbs issued using
9139 * lpfc_sli_issue_iocb_wait function. This function is called by the
9140 * ring event handler function without any lock held. This function
9141 * can be called from both worker thread context and interrupt
9142 * context. This function also can be called from other thread which
9143 * cleans up the SLI layer objects.
9144 * This function copy the contents of the response iocb to the
9145 * response iocb memory object provided by the caller of
9146 * lpfc_sli_issue_iocb_wait and then wakes up the thread which
9147 * sleeps for the iocb completion.
9150 lpfc_sli_wake_iocb_wait(struct lpfc_hba
*phba
,
9151 struct lpfc_iocbq
*cmdiocbq
,
9152 struct lpfc_iocbq
*rspiocbq
)
9154 wait_queue_head_t
*pdone_q
;
9155 unsigned long iflags
;
9156 struct lpfc_scsi_buf
*lpfc_cmd
;
9158 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9159 cmdiocbq
->iocb_flag
|= LPFC_IO_WAKE
;
9160 if (cmdiocbq
->context2
&& rspiocbq
)
9161 memcpy(&((struct lpfc_iocbq
*)cmdiocbq
->context2
)->iocb
,
9162 &rspiocbq
->iocb
, sizeof(IOCB_t
));
9164 /* Set the exchange busy flag for task management commands */
9165 if ((cmdiocbq
->iocb_flag
& LPFC_IO_FCP
) &&
9166 !(cmdiocbq
->iocb_flag
& LPFC_IO_LIBDFC
)) {
9167 lpfc_cmd
= container_of(cmdiocbq
, struct lpfc_scsi_buf
,
9169 lpfc_cmd
->exch_busy
= rspiocbq
->iocb_flag
& LPFC_EXCHANGE_BUSY
;
9172 pdone_q
= cmdiocbq
->context_un
.wait_queue
;
9175 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9180 * lpfc_chk_iocb_flg - Test IOCB flag with lock held.
9181 * @phba: Pointer to HBA context object..
9182 * @piocbq: Pointer to command iocb.
9183 * @flag: Flag to test.
9185 * This routine grabs the hbalock and then test the iocb_flag to
9186 * see if the passed in flag is set.
9189 * 0 if flag is not set.
9192 lpfc_chk_iocb_flg(struct lpfc_hba
*phba
,
9193 struct lpfc_iocbq
*piocbq
, uint32_t flag
)
9195 unsigned long iflags
;
9198 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9199 ret
= piocbq
->iocb_flag
& flag
;
9200 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9206 * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands
9207 * @phba: Pointer to HBA context object..
9208 * @pring: Pointer to sli ring.
9209 * @piocb: Pointer to command iocb.
9210 * @prspiocbq: Pointer to response iocb.
9211 * @timeout: Timeout in number of seconds.
9213 * This function issues the iocb to firmware and waits for the
9214 * iocb to complete. If the iocb command is not
9215 * completed within timeout seconds, it returns IOCB_TIMEDOUT.
9216 * Caller should not free the iocb resources if this function
9217 * returns IOCB_TIMEDOUT.
9218 * The function waits for the iocb completion using an
9219 * non-interruptible wait.
9220 * This function will sleep while waiting for iocb completion.
9221 * So, this function should not be called from any context which
9222 * does not allow sleeping. Due to the same reason, this function
9223 * cannot be called with interrupt disabled.
9224 * This function assumes that the iocb completions occur while
9225 * this function sleep. So, this function cannot be called from
9226 * the thread which process iocb completion for this ring.
9227 * This function clears the iocb_flag of the iocb object before
9228 * issuing the iocb and the iocb completion handler sets this
9229 * flag and wakes this thread when the iocb completes.
9230 * The contents of the response iocb will be copied to prspiocbq
9231 * by the completion handler when the command completes.
9232 * This function returns IOCB_SUCCESS when success.
9233 * This function is called with no lock held.
9236 lpfc_sli_issue_iocb_wait(struct lpfc_hba
*phba
,
9237 uint32_t ring_number
,
9238 struct lpfc_iocbq
*piocb
,
9239 struct lpfc_iocbq
*prspiocbq
,
9242 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q
);
9243 long timeleft
, timeout_req
= 0;
9244 int retval
= IOCB_SUCCESS
;
9246 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
9248 * If the caller has provided a response iocbq buffer, then context2
9249 * is NULL or its an error.
9252 if (piocb
->context2
)
9254 piocb
->context2
= prspiocbq
;
9257 piocb
->iocb_cmpl
= lpfc_sli_wake_iocb_wait
;
9258 piocb
->context_un
.wait_queue
= &done_q
;
9259 piocb
->iocb_flag
&= ~LPFC_IO_WAKE
;
9261 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
9262 if (lpfc_readl(phba
->HCregaddr
, &creg_val
))
9264 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
9265 writel(creg_val
, phba
->HCregaddr
);
9266 readl(phba
->HCregaddr
); /* flush */
9269 retval
= lpfc_sli_issue_iocb(phba
, ring_number
, piocb
,
9271 if (retval
== IOCB_SUCCESS
) {
9272 timeout_req
= timeout
* HZ
;
9273 timeleft
= wait_event_timeout(done_q
,
9274 lpfc_chk_iocb_flg(phba
, piocb
, LPFC_IO_WAKE
),
9277 if (piocb
->iocb_flag
& LPFC_IO_WAKE
) {
9278 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9279 "0331 IOCB wake signaled\n");
9280 } else if (timeleft
== 0) {
9281 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
9282 "0338 IOCB wait timeout error - no "
9283 "wake response Data x%x\n", timeout
);
9284 retval
= IOCB_TIMEDOUT
;
9286 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
9287 "0330 IOCB wake NOT set, "
9289 timeout
, (timeleft
/ jiffies
));
9290 retval
= IOCB_TIMEDOUT
;
9292 } else if (retval
== IOCB_BUSY
) {
9293 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9294 "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n",
9295 phba
->iocb_cnt
, pring
->txq_cnt
, pring
->txcmplq_cnt
);
9298 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9299 "0332 IOCB wait issue failed, Data x%x\n",
9301 retval
= IOCB_ERROR
;
9304 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
9305 if (lpfc_readl(phba
->HCregaddr
, &creg_val
))
9307 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
9308 writel(creg_val
, phba
->HCregaddr
);
9309 readl(phba
->HCregaddr
); /* flush */
9313 piocb
->context2
= NULL
;
9315 piocb
->context_un
.wait_queue
= NULL
;
9316 piocb
->iocb_cmpl
= NULL
;
9321 * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox
9322 * @phba: Pointer to HBA context object.
9323 * @pmboxq: Pointer to driver mailbox object.
9324 * @timeout: Timeout in number of seconds.
9326 * This function issues the mailbox to firmware and waits for the
9327 * mailbox command to complete. If the mailbox command is not
9328 * completed within timeout seconds, it returns MBX_TIMEOUT.
9329 * The function waits for the mailbox completion using an
9330 * interruptible wait. If the thread is woken up due to a
9331 * signal, MBX_TIMEOUT error is returned to the caller. Caller
9332 * should not free the mailbox resources, if this function returns
9334 * This function will sleep while waiting for mailbox completion.
9335 * So, this function should not be called from any context which
9336 * does not allow sleeping. Due to the same reason, this function
9337 * cannot be called with interrupt disabled.
9338 * This function assumes that the mailbox completion occurs while
9339 * this function sleep. So, this function cannot be called from
9340 * the worker thread which processes mailbox completion.
9341 * This function is called in the context of HBA management
9343 * This function returns MBX_SUCCESS when successful.
9344 * This function is called with no lock held.
9347 lpfc_sli_issue_mbox_wait(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
,
9350 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q
);
9354 /* The caller must leave context1 empty. */
9355 if (pmboxq
->context1
)
9356 return MBX_NOT_FINISHED
;
9358 pmboxq
->mbox_flag
&= ~LPFC_MBX_WAKE
;
9359 /* setup wake call as IOCB callback */
9360 pmboxq
->mbox_cmpl
= lpfc_sli_wake_mbox_wait
;
9361 /* setup context field to pass wait_queue pointer to wake function */
9362 pmboxq
->context1
= &done_q
;
9364 /* now issue the command */
9365 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
9367 if (retval
== MBX_BUSY
|| retval
== MBX_SUCCESS
) {
9368 wait_event_interruptible_timeout(done_q
,
9369 pmboxq
->mbox_flag
& LPFC_MBX_WAKE
,
9372 spin_lock_irqsave(&phba
->hbalock
, flag
);
9373 pmboxq
->context1
= NULL
;
9375 * if LPFC_MBX_WAKE flag is set the mailbox is completed
9376 * else do not free the resources.
9378 if (pmboxq
->mbox_flag
& LPFC_MBX_WAKE
) {
9379 retval
= MBX_SUCCESS
;
9380 lpfc_sli4_swap_str(phba
, pmboxq
);
9382 retval
= MBX_TIMEOUT
;
9383 pmboxq
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
9385 spin_unlock_irqrestore(&phba
->hbalock
, flag
);
9392 * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system
9393 * @phba: Pointer to HBA context.
9395 * This function is called to shutdown the driver's mailbox sub-system.
9396 * It first marks the mailbox sub-system is in a block state to prevent
9397 * the asynchronous mailbox command from issued off the pending mailbox
9398 * command queue. If the mailbox command sub-system shutdown is due to
9399 * HBA error conditions such as EEH or ERATT, this routine shall invoke
9400 * the mailbox sub-system flush routine to forcefully bring down the
9401 * mailbox sub-system. Otherwise, if it is due to normal condition (such
9402 * as with offline or HBA function reset), this routine will wait for the
9403 * outstanding mailbox command to complete before invoking the mailbox
9404 * sub-system flush routine to gracefully bring down mailbox sub-system.
9407 lpfc_sli_mbox_sys_shutdown(struct lpfc_hba
*phba
)
9409 struct lpfc_sli
*psli
= &phba
->sli
;
9410 uint8_t actcmd
= MBX_HEARTBEAT
;
9411 unsigned long timeout
;
9413 spin_lock_irq(&phba
->hbalock
);
9414 psli
->sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
9415 spin_unlock_irq(&phba
->hbalock
);
9417 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
9418 spin_lock_irq(&phba
->hbalock
);
9419 if (phba
->sli
.mbox_active
)
9420 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
9421 spin_unlock_irq(&phba
->hbalock
);
9422 /* Determine how long we might wait for the active mailbox
9423 * command to be gracefully completed by firmware.
9425 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, actcmd
) *
9427 while (phba
->sli
.mbox_active
) {
9428 /* Check active mailbox complete status every 2ms */
9430 if (time_after(jiffies
, timeout
))
9431 /* Timeout, let the mailbox flush routine to
9432 * forcefully release active mailbox command
9437 lpfc_sli_mbox_sys_flush(phba
);
9441 * lpfc_sli_eratt_read - read sli-3 error attention events
9442 * @phba: Pointer to HBA context.
9444 * This function is called to read the SLI3 device error attention registers
9445 * for possible error attention events. The caller must hold the hostlock
9446 * with spin_lock_irq().
9448 * This function returns 1 when there is Error Attention in the Host Attention
9449 * Register and returns 0 otherwise.
9452 lpfc_sli_eratt_read(struct lpfc_hba
*phba
)
9456 /* Read chip Host Attention (HA) register */
9457 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
9460 if (ha_copy
& HA_ERATT
) {
9461 /* Read host status register to retrieve error event */
9462 if (lpfc_sli_read_hs(phba
))
9465 /* Check if there is a deferred error condition is active */
9466 if ((HS_FFER1
& phba
->work_hs
) &&
9467 ((HS_FFER2
| HS_FFER3
| HS_FFER4
| HS_FFER5
|
9468 HS_FFER6
| HS_FFER7
| HS_FFER8
) & phba
->work_hs
)) {
9469 phba
->hba_flag
|= DEFER_ERATT
;
9470 /* Clear all interrupt enable conditions */
9471 writel(0, phba
->HCregaddr
);
9472 readl(phba
->HCregaddr
);
9475 /* Set the driver HA work bitmap */
9476 phba
->work_ha
|= HA_ERATT
;
9477 /* Indicate polling handles this ERATT */
9478 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
9484 /* Set the driver HS work bitmap */
9485 phba
->work_hs
|= UNPLUG_ERR
;
9486 /* Set the driver HA work bitmap */
9487 phba
->work_ha
|= HA_ERATT
;
9488 /* Indicate polling handles this ERATT */
9489 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
9494 * lpfc_sli4_eratt_read - read sli-4 error attention events
9495 * @phba: Pointer to HBA context.
9497 * This function is called to read the SLI4 device error attention registers
9498 * for possible error attention events. The caller must hold the hostlock
9499 * with spin_lock_irq().
9501 * This function returns 1 when there is Error Attention in the Host Attention
9502 * Register and returns 0 otherwise.
9505 lpfc_sli4_eratt_read(struct lpfc_hba
*phba
)
9507 uint32_t uerr_sta_hi
, uerr_sta_lo
;
9508 uint32_t if_type
, portsmphr
;
9509 struct lpfc_register portstat_reg
;
9512 * For now, use the SLI4 device internal unrecoverable error
9513 * registers for error attention. This can be changed later.
9515 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
9517 case LPFC_SLI_INTF_IF_TYPE_0
:
9518 if (lpfc_readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
9520 lpfc_readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
,
9522 phba
->work_hs
|= UNPLUG_ERR
;
9523 phba
->work_ha
|= HA_ERATT
;
9524 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
9527 if ((~phba
->sli4_hba
.ue_mask_lo
& uerr_sta_lo
) ||
9528 (~phba
->sli4_hba
.ue_mask_hi
& uerr_sta_hi
)) {
9529 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9530 "1423 HBA Unrecoverable error: "
9531 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
9532 "ue_mask_lo_reg=0x%x, "
9533 "ue_mask_hi_reg=0x%x\n",
9534 uerr_sta_lo
, uerr_sta_hi
,
9535 phba
->sli4_hba
.ue_mask_lo
,
9536 phba
->sli4_hba
.ue_mask_hi
);
9537 phba
->work_status
[0] = uerr_sta_lo
;
9538 phba
->work_status
[1] = uerr_sta_hi
;
9539 phba
->work_ha
|= HA_ERATT
;
9540 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
9544 case LPFC_SLI_INTF_IF_TYPE_2
:
9545 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
9546 &portstat_reg
.word0
) ||
9547 lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
9549 phba
->work_hs
|= UNPLUG_ERR
;
9550 phba
->work_ha
|= HA_ERATT
;
9551 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
9554 if (bf_get(lpfc_sliport_status_err
, &portstat_reg
)) {
9555 phba
->work_status
[0] =
9556 readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
9557 phba
->work_status
[1] =
9558 readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
9559 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9560 "2885 Port Error Detected: "
9561 "port status reg 0x%x, "
9562 "port smphr reg 0x%x, "
9563 "error 1=0x%x, error 2=0x%x\n",
9566 phba
->work_status
[0],
9567 phba
->work_status
[1]);
9568 phba
->work_ha
|= HA_ERATT
;
9569 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
9573 case LPFC_SLI_INTF_IF_TYPE_1
:
9575 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9576 "2886 HBA Error Attention on unsupported "
9577 "if type %d.", if_type
);
9585 * lpfc_sli_check_eratt - check error attention events
9586 * @phba: Pointer to HBA context.
9588 * This function is called from timer soft interrupt context to check HBA's
9589 * error attention register bit for error attention events.
9591 * This function returns 1 when there is Error Attention in the Host Attention
9592 * Register and returns 0 otherwise.
9595 lpfc_sli_check_eratt(struct lpfc_hba
*phba
)
9599 /* If somebody is waiting to handle an eratt, don't process it
9600 * here. The brdkill function will do this.
9602 if (phba
->link_flag
& LS_IGNORE_ERATT
)
9605 /* Check if interrupt handler handles this ERATT */
9606 spin_lock_irq(&phba
->hbalock
);
9607 if (phba
->hba_flag
& HBA_ERATT_HANDLED
) {
9608 /* Interrupt handler has handled ERATT */
9609 spin_unlock_irq(&phba
->hbalock
);
9614 * If there is deferred error attention, do not check for error
9617 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
9618 spin_unlock_irq(&phba
->hbalock
);
9622 /* If PCI channel is offline, don't process it */
9623 if (unlikely(pci_channel_offline(phba
->pcidev
))) {
9624 spin_unlock_irq(&phba
->hbalock
);
9628 switch (phba
->sli_rev
) {
9631 /* Read chip Host Attention (HA) register */
9632 ha_copy
= lpfc_sli_eratt_read(phba
);
9635 /* Read device Uncoverable Error (UERR) registers */
9636 ha_copy
= lpfc_sli4_eratt_read(phba
);
9639 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9640 "0299 Invalid SLI revision (%d)\n",
9645 spin_unlock_irq(&phba
->hbalock
);
9651 * lpfc_intr_state_check - Check device state for interrupt handling
9652 * @phba: Pointer to HBA context.
9654 * This inline routine checks whether a device or its PCI slot is in a state
9655 * that the interrupt should be handled.
9657 * This function returns 0 if the device or the PCI slot is in a state that
9658 * interrupt should be handled, otherwise -EIO.
9661 lpfc_intr_state_check(struct lpfc_hba
*phba
)
9663 /* If the pci channel is offline, ignore all the interrupts */
9664 if (unlikely(pci_channel_offline(phba
->pcidev
)))
9667 /* Update device level interrupt statistics */
9668 phba
->sli
.slistat
.sli_intr
++;
9670 /* Ignore all interrupts during initialization. */
9671 if (unlikely(phba
->link_state
< LPFC_LINK_DOWN
))
9678 * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device
9679 * @irq: Interrupt number.
9680 * @dev_id: The device context pointer.
9682 * This function is directly called from the PCI layer as an interrupt
9683 * service routine when device with SLI-3 interface spec is enabled with
9684 * MSI-X multi-message interrupt mode and there are slow-path events in
9685 * the HBA. However, when the device is enabled with either MSI or Pin-IRQ
9686 * interrupt mode, this function is called as part of the device-level
9687 * interrupt handler. When the PCI slot is in error recovery or the HBA
9688 * is undergoing initialization, the interrupt handler will not process
9689 * the interrupt. The link attention and ELS ring attention events are
9690 * handled by the worker thread. The interrupt handler signals the worker
9691 * thread and returns for these events. This function is called without
9692 * any lock held. It gets the hbalock to access and update SLI data
9695 * This function returns IRQ_HANDLED when interrupt is handled else it
9699 lpfc_sli_sp_intr_handler(int irq
, void *dev_id
)
9701 struct lpfc_hba
*phba
;
9702 uint32_t ha_copy
, hc_copy
;
9703 uint32_t work_ha_copy
;
9704 unsigned long status
;
9705 unsigned long iflag
;
9708 MAILBOX_t
*mbox
, *pmbox
;
9709 struct lpfc_vport
*vport
;
9710 struct lpfc_nodelist
*ndlp
;
9711 struct lpfc_dmabuf
*mp
;
9716 * Get the driver's phba structure from the dev_id and
9717 * assume the HBA is not interrupting.
9719 phba
= (struct lpfc_hba
*)dev_id
;
9721 if (unlikely(!phba
))
9725 * Stuff needs to be attented to when this function is invoked as an
9726 * individual interrupt handler in MSI-X multi-message interrupt mode
9728 if (phba
->intr_type
== MSIX
) {
9729 /* Check device state for handling interrupt */
9730 if (lpfc_intr_state_check(phba
))
9732 /* Need to read HA REG for slow-path events */
9733 spin_lock_irqsave(&phba
->hbalock
, iflag
);
9734 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
9736 /* If somebody is waiting to handle an eratt don't process it
9737 * here. The brdkill function will do this.
9739 if (phba
->link_flag
& LS_IGNORE_ERATT
)
9740 ha_copy
&= ~HA_ERATT
;
9741 /* Check the need for handling ERATT in interrupt handler */
9742 if (ha_copy
& HA_ERATT
) {
9743 if (phba
->hba_flag
& HBA_ERATT_HANDLED
)
9744 /* ERATT polling has handled ERATT */
9745 ha_copy
&= ~HA_ERATT
;
9747 /* Indicate interrupt handler handles ERATT */
9748 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
9752 * If there is deferred error attention, do not check for any
9755 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
9756 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9760 /* Clear up only attention source related to slow-path */
9761 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
))
9764 writel(hc_copy
& ~(HC_MBINT_ENA
| HC_R2INT_ENA
|
9765 HC_LAINT_ENA
| HC_ERINT_ENA
),
9767 writel((ha_copy
& (HA_MBATT
| HA_R2_CLR_MSK
)),
9769 writel(hc_copy
, phba
->HCregaddr
);
9770 readl(phba
->HAregaddr
); /* flush */
9771 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9773 ha_copy
= phba
->ha_copy
;
9775 work_ha_copy
= ha_copy
& phba
->work_ha_mask
;
9778 if (work_ha_copy
& HA_LATT
) {
9779 if (phba
->sli
.sli_flag
& LPFC_PROCESS_LA
) {
9781 * Turn off Link Attention interrupts
9782 * until CLEAR_LA done
9784 spin_lock_irqsave(&phba
->hbalock
, iflag
);
9785 phba
->sli
.sli_flag
&= ~LPFC_PROCESS_LA
;
9786 if (lpfc_readl(phba
->HCregaddr
, &control
))
9788 control
&= ~HC_LAINT_ENA
;
9789 writel(control
, phba
->HCregaddr
);
9790 readl(phba
->HCregaddr
); /* flush */
9791 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9794 work_ha_copy
&= ~HA_LATT
;
9797 if (work_ha_copy
& ~(HA_ERATT
| HA_MBATT
| HA_LATT
)) {
9799 * Turn off Slow Rings interrupts, LPFC_ELS_RING is
9800 * the only slow ring.
9802 status
= (work_ha_copy
&
9803 (HA_RXMASK
<< (4*LPFC_ELS_RING
)));
9804 status
>>= (4*LPFC_ELS_RING
);
9805 if (status
& HA_RXMASK
) {
9806 spin_lock_irqsave(&phba
->hbalock
, iflag
);
9807 if (lpfc_readl(phba
->HCregaddr
, &control
))
9810 lpfc_debugfs_slow_ring_trc(phba
,
9811 "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x",
9813 (uint32_t)phba
->sli
.slistat
.sli_intr
);
9815 if (control
& (HC_R0INT_ENA
<< LPFC_ELS_RING
)) {
9816 lpfc_debugfs_slow_ring_trc(phba
,
9818 "pwork:x%x hawork:x%x wait:x%x",
9819 phba
->work_ha
, work_ha_copy
,
9820 (uint32_t)((unsigned long)
9821 &phba
->work_waitq
));
9824 ~(HC_R0INT_ENA
<< LPFC_ELS_RING
);
9825 writel(control
, phba
->HCregaddr
);
9826 readl(phba
->HCregaddr
); /* flush */
9829 lpfc_debugfs_slow_ring_trc(phba
,
9830 "ISR slow ring: pwork:"
9831 "x%x hawork:x%x wait:x%x",
9832 phba
->work_ha
, work_ha_copy
,
9833 (uint32_t)((unsigned long)
9834 &phba
->work_waitq
));
9836 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9839 spin_lock_irqsave(&phba
->hbalock
, iflag
);
9840 if (work_ha_copy
& HA_ERATT
) {
9841 if (lpfc_sli_read_hs(phba
))
9844 * Check if there is a deferred error condition
9847 if ((HS_FFER1
& phba
->work_hs
) &&
9848 ((HS_FFER2
| HS_FFER3
| HS_FFER4
| HS_FFER5
|
9849 HS_FFER6
| HS_FFER7
| HS_FFER8
) &
9851 phba
->hba_flag
|= DEFER_ERATT
;
9852 /* Clear all interrupt enable conditions */
9853 writel(0, phba
->HCregaddr
);
9854 readl(phba
->HCregaddr
);
9858 if ((work_ha_copy
& HA_MBATT
) && (phba
->sli
.mbox_active
)) {
9859 pmb
= phba
->sli
.mbox_active
;
9864 /* First check out the status word */
9865 lpfc_sli_pcimem_bcopy(mbox
, pmbox
, sizeof(uint32_t));
9866 if (pmbox
->mbxOwner
!= OWN_HOST
) {
9867 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9869 * Stray Mailbox Interrupt, mbxCommand <cmd>
9870 * mbxStatus <status>
9872 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
9874 "(%d):0304 Stray Mailbox "
9875 "Interrupt mbxCommand x%x "
9877 (vport
? vport
->vpi
: 0),
9880 /* clear mailbox attention bit */
9881 work_ha_copy
&= ~HA_MBATT
;
9883 phba
->sli
.mbox_active
= NULL
;
9884 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9885 phba
->last_completion_time
= jiffies
;
9886 del_timer(&phba
->sli
.mbox_tmo
);
9887 if (pmb
->mbox_cmpl
) {
9888 lpfc_sli_pcimem_bcopy(mbox
, pmbox
,
9890 if (pmb
->out_ext_byte_len
&&
9892 lpfc_sli_pcimem_bcopy(
9895 pmb
->out_ext_byte_len
);
9897 if (pmb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) {
9898 pmb
->mbox_flag
&= ~LPFC_MBX_IMED_UNREG
;
9900 lpfc_debugfs_disc_trc(vport
,
9901 LPFC_DISC_TRC_MBOX_VPORT
,
9903 "status:x%x rpi:x%x",
9904 (uint32_t)pmbox
->mbxStatus
,
9905 pmbox
->un
.varWords
[0], 0);
9907 if (!pmbox
->mbxStatus
) {
9908 mp
= (struct lpfc_dmabuf
*)
9910 ndlp
= (struct lpfc_nodelist
*)
9913 /* Reg_LOGIN of dflt RPI was
9914 * successful. new lets get
9915 * rid of the RPI using the
9918 lpfc_unreg_login(phba
,
9920 pmbox
->un
.varWords
[0],
9923 lpfc_mbx_cmpl_dflt_rpi
;
9925 pmb
->context2
= ndlp
;
9927 rc
= lpfc_sli_issue_mbox(phba
,
9931 lpfc_printf_log(phba
,
9934 "0350 rc should have"
9936 if (rc
!= MBX_NOT_FINISHED
)
9937 goto send_current_mbox
;
9941 &phba
->pport
->work_port_lock
,
9943 phba
->pport
->work_port_events
&=
9945 spin_unlock_irqrestore(
9946 &phba
->pport
->work_port_lock
,
9948 lpfc_mbox_cmpl_put(phba
, pmb
);
9951 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9953 if ((work_ha_copy
& HA_MBATT
) &&
9954 (phba
->sli
.mbox_active
== NULL
)) {
9956 /* Process next mailbox command if there is one */
9958 rc
= lpfc_sli_issue_mbox(phba
, NULL
,
9960 } while (rc
== MBX_NOT_FINISHED
);
9961 if (rc
!= MBX_SUCCESS
)
9962 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
9963 LOG_SLI
, "0349 rc should be "
9967 spin_lock_irqsave(&phba
->hbalock
, iflag
);
9968 phba
->work_ha
|= work_ha_copy
;
9969 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9970 lpfc_worker_wake_up(phba
);
9974 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9977 } /* lpfc_sli_sp_intr_handler */
9980 * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device.
9981 * @irq: Interrupt number.
9982 * @dev_id: The device context pointer.
9984 * This function is directly called from the PCI layer as an interrupt
9985 * service routine when device with SLI-3 interface spec is enabled with
9986 * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB
9987 * ring event in the HBA. However, when the device is enabled with either
9988 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
9989 * device-level interrupt handler. When the PCI slot is in error recovery
9990 * or the HBA is undergoing initialization, the interrupt handler will not
9991 * process the interrupt. The SCSI FCP fast-path ring event are handled in
9992 * the intrrupt context. This function is called without any lock held.
9993 * It gets the hbalock to access and update SLI data structures.
9995 * This function returns IRQ_HANDLED when interrupt is handled else it
9999 lpfc_sli_fp_intr_handler(int irq
, void *dev_id
)
10001 struct lpfc_hba
*phba
;
10003 unsigned long status
;
10004 unsigned long iflag
;
10006 /* Get the driver's phba structure from the dev_id and
10007 * assume the HBA is not interrupting.
10009 phba
= (struct lpfc_hba
*) dev_id
;
10011 if (unlikely(!phba
))
10015 * Stuff needs to be attented to when this function is invoked as an
10016 * individual interrupt handler in MSI-X multi-message interrupt mode
10018 if (phba
->intr_type
== MSIX
) {
10019 /* Check device state for handling interrupt */
10020 if (lpfc_intr_state_check(phba
))
10022 /* Need to read HA REG for FCP ring and other ring events */
10023 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
10024 return IRQ_HANDLED
;
10025 /* Clear up only attention source related to fast-path */
10026 spin_lock_irqsave(&phba
->hbalock
, iflag
);
10028 * If there is deferred error attention, do not check for
10031 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
10032 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10035 writel((ha_copy
& (HA_R0_CLR_MSK
| HA_R1_CLR_MSK
)),
10037 readl(phba
->HAregaddr
); /* flush */
10038 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10040 ha_copy
= phba
->ha_copy
;
10043 * Process all events on FCP ring. Take the optimized path for FCP IO.
10045 ha_copy
&= ~(phba
->work_ha_mask
);
10047 status
= (ha_copy
& (HA_RXMASK
<< (4*LPFC_FCP_RING
)));
10048 status
>>= (4*LPFC_FCP_RING
);
10049 if (status
& HA_RXMASK
)
10050 lpfc_sli_handle_fast_ring_event(phba
,
10051 &phba
->sli
.ring
[LPFC_FCP_RING
],
10054 if (phba
->cfg_multi_ring_support
== 2) {
10056 * Process all events on extra ring. Take the optimized path
10057 * for extra ring IO.
10059 status
= (ha_copy
& (HA_RXMASK
<< (4*LPFC_EXTRA_RING
)));
10060 status
>>= (4*LPFC_EXTRA_RING
);
10061 if (status
& HA_RXMASK
) {
10062 lpfc_sli_handle_fast_ring_event(phba
,
10063 &phba
->sli
.ring
[LPFC_EXTRA_RING
],
10067 return IRQ_HANDLED
;
10068 } /* lpfc_sli_fp_intr_handler */
10071 * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device
10072 * @irq: Interrupt number.
10073 * @dev_id: The device context pointer.
10075 * This function is the HBA device-level interrupt handler to device with
10076 * SLI-3 interface spec, called from the PCI layer when either MSI or
10077 * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which
10078 * requires driver attention. This function invokes the slow-path interrupt
10079 * attention handling function and fast-path interrupt attention handling
10080 * function in turn to process the relevant HBA attention events. This
10081 * function is called without any lock held. It gets the hbalock to access
10082 * and update SLI data structures.
10084 * This function returns IRQ_HANDLED when interrupt is handled, else it
10085 * returns IRQ_NONE.
10088 lpfc_sli_intr_handler(int irq
, void *dev_id
)
10090 struct lpfc_hba
*phba
;
10091 irqreturn_t sp_irq_rc
, fp_irq_rc
;
10092 unsigned long status1
, status2
;
10096 * Get the driver's phba structure from the dev_id and
10097 * assume the HBA is not interrupting.
10099 phba
= (struct lpfc_hba
*) dev_id
;
10101 if (unlikely(!phba
))
10104 /* Check device state for handling interrupt */
10105 if (lpfc_intr_state_check(phba
))
10108 spin_lock(&phba
->hbalock
);
10109 if (lpfc_readl(phba
->HAregaddr
, &phba
->ha_copy
)) {
10110 spin_unlock(&phba
->hbalock
);
10111 return IRQ_HANDLED
;
10114 if (unlikely(!phba
->ha_copy
)) {
10115 spin_unlock(&phba
->hbalock
);
10117 } else if (phba
->ha_copy
& HA_ERATT
) {
10118 if (phba
->hba_flag
& HBA_ERATT_HANDLED
)
10119 /* ERATT polling has handled ERATT */
10120 phba
->ha_copy
&= ~HA_ERATT
;
10122 /* Indicate interrupt handler handles ERATT */
10123 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10127 * If there is deferred error attention, do not check for any interrupt.
10129 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
10130 spin_unlock(&phba
->hbalock
);
10134 /* Clear attention sources except link and error attentions */
10135 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
)) {
10136 spin_unlock(&phba
->hbalock
);
10137 return IRQ_HANDLED
;
10139 writel(hc_copy
& ~(HC_MBINT_ENA
| HC_R0INT_ENA
| HC_R1INT_ENA
10140 | HC_R2INT_ENA
| HC_LAINT_ENA
| HC_ERINT_ENA
),
10142 writel((phba
->ha_copy
& ~(HA_LATT
| HA_ERATT
)), phba
->HAregaddr
);
10143 writel(hc_copy
, phba
->HCregaddr
);
10144 readl(phba
->HAregaddr
); /* flush */
10145 spin_unlock(&phba
->hbalock
);
10148 * Invokes slow-path host attention interrupt handling as appropriate.
10151 /* status of events with mailbox and link attention */
10152 status1
= phba
->ha_copy
& (HA_MBATT
| HA_LATT
| HA_ERATT
);
10154 /* status of events with ELS ring */
10155 status2
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_ELS_RING
)));
10156 status2
>>= (4*LPFC_ELS_RING
);
10158 if (status1
|| (status2
& HA_RXMASK
))
10159 sp_irq_rc
= lpfc_sli_sp_intr_handler(irq
, dev_id
);
10161 sp_irq_rc
= IRQ_NONE
;
10164 * Invoke fast-path host attention interrupt handling as appropriate.
10167 /* status of events with FCP ring */
10168 status1
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_FCP_RING
)));
10169 status1
>>= (4*LPFC_FCP_RING
);
10171 /* status of events with extra ring */
10172 if (phba
->cfg_multi_ring_support
== 2) {
10173 status2
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_EXTRA_RING
)));
10174 status2
>>= (4*LPFC_EXTRA_RING
);
10178 if ((status1
& HA_RXMASK
) || (status2
& HA_RXMASK
))
10179 fp_irq_rc
= lpfc_sli_fp_intr_handler(irq
, dev_id
);
10181 fp_irq_rc
= IRQ_NONE
;
10183 /* Return device-level interrupt handling status */
10184 return (sp_irq_rc
== IRQ_HANDLED
) ? sp_irq_rc
: fp_irq_rc
;
10185 } /* lpfc_sli_intr_handler */
10188 * lpfc_sli4_fcp_xri_abort_event_proc - Process fcp xri abort event
10189 * @phba: pointer to lpfc hba data structure.
10191 * This routine is invoked by the worker thread to process all the pending
10192 * SLI4 FCP abort XRI events.
10194 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba
*phba
)
10196 struct lpfc_cq_event
*cq_event
;
10198 /* First, declare the fcp xri abort event has been handled */
10199 spin_lock_irq(&phba
->hbalock
);
10200 phba
->hba_flag
&= ~FCP_XRI_ABORT_EVENT
;
10201 spin_unlock_irq(&phba
->hbalock
);
10202 /* Now, handle all the fcp xri abort events */
10203 while (!list_empty(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
)) {
10204 /* Get the first event from the head of the event queue */
10205 spin_lock_irq(&phba
->hbalock
);
10206 list_remove_head(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
10207 cq_event
, struct lpfc_cq_event
, list
);
10208 spin_unlock_irq(&phba
->hbalock
);
10209 /* Notify aborted XRI for FCP work queue */
10210 lpfc_sli4_fcp_xri_aborted(phba
, &cq_event
->cqe
.wcqe_axri
);
10211 /* Free the event processed back to the free pool */
10212 lpfc_sli4_cq_event_release(phba
, cq_event
);
10217 * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event
10218 * @phba: pointer to lpfc hba data structure.
10220 * This routine is invoked by the worker thread to process all the pending
10221 * SLI4 els abort xri events.
10223 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba
*phba
)
10225 struct lpfc_cq_event
*cq_event
;
10227 /* First, declare the els xri abort event has been handled */
10228 spin_lock_irq(&phba
->hbalock
);
10229 phba
->hba_flag
&= ~ELS_XRI_ABORT_EVENT
;
10230 spin_unlock_irq(&phba
->hbalock
);
10231 /* Now, handle all the els xri abort events */
10232 while (!list_empty(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
)) {
10233 /* Get the first event from the head of the event queue */
10234 spin_lock_irq(&phba
->hbalock
);
10235 list_remove_head(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
10236 cq_event
, struct lpfc_cq_event
, list
);
10237 spin_unlock_irq(&phba
->hbalock
);
10238 /* Notify aborted XRI for ELS work queue */
10239 lpfc_sli4_els_xri_aborted(phba
, &cq_event
->cqe
.wcqe_axri
);
10240 /* Free the event processed back to the free pool */
10241 lpfc_sli4_cq_event_release(phba
, cq_event
);
10246 * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn
10247 * @phba: pointer to lpfc hba data structure
10248 * @pIocbIn: pointer to the rspiocbq
10249 * @pIocbOut: pointer to the cmdiocbq
10250 * @wcqe: pointer to the complete wcqe
10252 * This routine transfers the fields of a command iocbq to a response iocbq
10253 * by copying all the IOCB fields from command iocbq and transferring the
10254 * completion status information from the complete wcqe.
10257 lpfc_sli4_iocb_param_transfer(struct lpfc_hba
*phba
,
10258 struct lpfc_iocbq
*pIocbIn
,
10259 struct lpfc_iocbq
*pIocbOut
,
10260 struct lpfc_wcqe_complete
*wcqe
)
10262 unsigned long iflags
;
10263 size_t offset
= offsetof(struct lpfc_iocbq
, iocb
);
10265 memcpy((char *)pIocbIn
+ offset
, (char *)pIocbOut
+ offset
,
10266 sizeof(struct lpfc_iocbq
) - offset
);
10267 /* Map WCQE parameters into irspiocb parameters */
10268 pIocbIn
->iocb
.ulpStatus
= bf_get(lpfc_wcqe_c_status
, wcqe
);
10269 if (pIocbOut
->iocb_flag
& LPFC_IO_FCP
)
10270 if (pIocbIn
->iocb
.ulpStatus
== IOSTAT_FCP_RSP_ERROR
)
10271 pIocbIn
->iocb
.un
.fcpi
.fcpi_parm
=
10272 pIocbOut
->iocb
.un
.fcpi
.fcpi_parm
-
10273 wcqe
->total_data_placed
;
10275 pIocbIn
->iocb
.un
.ulpWord
[4] = wcqe
->parameter
;
10277 pIocbIn
->iocb
.un
.ulpWord
[4] = wcqe
->parameter
;
10278 pIocbIn
->iocb
.un
.genreq64
.bdl
.bdeSize
= wcqe
->total_data_placed
;
10281 /* Pick up HBA exchange busy condition */
10282 if (bf_get(lpfc_wcqe_c_xb
, wcqe
)) {
10283 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10284 pIocbIn
->iocb_flag
|= LPFC_EXCHANGE_BUSY
;
10285 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10290 * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe
10291 * @phba: Pointer to HBA context object.
10292 * @wcqe: Pointer to work-queue completion queue entry.
10294 * This routine handles an ELS work-queue completion event and construct
10295 * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common
10296 * discovery engine to handle.
10298 * Return: Pointer to the receive IOCBQ, NULL otherwise.
10300 static struct lpfc_iocbq
*
10301 lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba
*phba
,
10302 struct lpfc_iocbq
*irspiocbq
)
10304 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
10305 struct lpfc_iocbq
*cmdiocbq
;
10306 struct lpfc_wcqe_complete
*wcqe
;
10307 unsigned long iflags
;
10309 wcqe
= &irspiocbq
->cq_event
.cqe
.wcqe_cmpl
;
10310 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10311 pring
->stats
.iocb_event
++;
10312 /* Look up the ELS command IOCB and create pseudo response IOCB */
10313 cmdiocbq
= lpfc_sli_iocbq_lookup_by_tag(phba
, pring
,
10314 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
10315 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10317 if (unlikely(!cmdiocbq
)) {
10318 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
10319 "0386 ELS complete with no corresponding "
10320 "cmdiocb: iotag (%d)\n",
10321 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
10322 lpfc_sli_release_iocbq(phba
, irspiocbq
);
10326 /* Fake the irspiocbq and copy necessary response information */
10327 lpfc_sli4_iocb_param_transfer(phba
, irspiocbq
, cmdiocbq
, wcqe
);
10333 * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event
10334 * @phba: Pointer to HBA context object.
10335 * @cqe: Pointer to mailbox completion queue entry.
10337 * This routine process a mailbox completion queue entry with asynchrous
10340 * Return: true if work posted to worker thread, otherwise false.
10343 lpfc_sli4_sp_handle_async_event(struct lpfc_hba
*phba
, struct lpfc_mcqe
*mcqe
)
10345 struct lpfc_cq_event
*cq_event
;
10346 unsigned long iflags
;
10348 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
10349 "0392 Async Event: word0:x%x, word1:x%x, "
10350 "word2:x%x, word3:x%x\n", mcqe
->word0
,
10351 mcqe
->mcqe_tag0
, mcqe
->mcqe_tag1
, mcqe
->trailer
);
10353 /* Allocate a new internal CQ_EVENT entry */
10354 cq_event
= lpfc_sli4_cq_event_alloc(phba
);
10356 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10357 "0394 Failed to allocate CQ_EVENT entry\n");
10361 /* Move the CQE into an asynchronous event entry */
10362 memcpy(&cq_event
->cqe
, mcqe
, sizeof(struct lpfc_mcqe
));
10363 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10364 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_asynce_work_queue
);
10365 /* Set the async event flag */
10366 phba
->hba_flag
|= ASYNC_EVENT
;
10367 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10373 * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event
10374 * @phba: Pointer to HBA context object.
10375 * @cqe: Pointer to mailbox completion queue entry.
10377 * This routine process a mailbox completion queue entry with mailbox
10378 * completion event.
10380 * Return: true if work posted to worker thread, otherwise false.
10383 lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba
*phba
, struct lpfc_mcqe
*mcqe
)
10385 uint32_t mcqe_status
;
10386 MAILBOX_t
*mbox
, *pmbox
;
10387 struct lpfc_mqe
*mqe
;
10388 struct lpfc_vport
*vport
;
10389 struct lpfc_nodelist
*ndlp
;
10390 struct lpfc_dmabuf
*mp
;
10391 unsigned long iflags
;
10393 bool workposted
= false;
10396 /* If not a mailbox complete MCQE, out by checking mailbox consume */
10397 if (!bf_get(lpfc_trailer_completed
, mcqe
))
10398 goto out_no_mqe_complete
;
10400 /* Get the reference to the active mbox command */
10401 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10402 pmb
= phba
->sli
.mbox_active
;
10403 if (unlikely(!pmb
)) {
10404 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
10405 "1832 No pending MBOX command to handle\n");
10406 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10407 goto out_no_mqe_complete
;
10409 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10411 pmbox
= (MAILBOX_t
*)&pmb
->u
.mqe
;
10413 vport
= pmb
->vport
;
10415 /* Reset heartbeat timer */
10416 phba
->last_completion_time
= jiffies
;
10417 del_timer(&phba
->sli
.mbox_tmo
);
10419 /* Move mbox data to caller's mailbox region, do endian swapping */
10420 if (pmb
->mbox_cmpl
&& mbox
)
10421 lpfc_sli_pcimem_bcopy(mbox
, mqe
, sizeof(struct lpfc_mqe
));
10422 /* Set the mailbox status with SLI4 range 0x4000 */
10423 mcqe_status
= bf_get(lpfc_mcqe_status
, mcqe
);
10424 if (mcqe_status
!= MB_CQE_STATUS_SUCCESS
)
10425 bf_set(lpfc_mqe_status
, mqe
,
10426 (LPFC_MBX_ERROR_RANGE
| mcqe_status
));
10428 if (pmb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) {
10429 pmb
->mbox_flag
&= ~LPFC_MBX_IMED_UNREG
;
10430 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_MBOX_VPORT
,
10431 "MBOX dflt rpi: status:x%x rpi:x%x",
10433 pmbox
->un
.varWords
[0], 0);
10434 if (mcqe_status
== MB_CQE_STATUS_SUCCESS
) {
10435 mp
= (struct lpfc_dmabuf
*)(pmb
->context1
);
10436 ndlp
= (struct lpfc_nodelist
*)pmb
->context2
;
10437 /* Reg_LOGIN of dflt RPI was successful. Now lets get
10438 * RID of the PPI using the same mbox buffer.
10440 lpfc_unreg_login(phba
, vport
->vpi
,
10441 pmbox
->un
.varWords
[0], pmb
);
10442 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_dflt_rpi
;
10443 pmb
->context1
= mp
;
10444 pmb
->context2
= ndlp
;
10445 pmb
->vport
= vport
;
10446 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
10447 if (rc
!= MBX_BUSY
)
10448 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
10449 LOG_SLI
, "0385 rc should "
10450 "have been MBX_BUSY\n");
10451 if (rc
!= MBX_NOT_FINISHED
)
10452 goto send_current_mbox
;
10455 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflags
);
10456 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
10457 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflags
);
10459 /* There is mailbox completion work to do */
10460 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10461 __lpfc_mbox_cmpl_put(phba
, pmb
);
10462 phba
->work_ha
|= HA_MBATT
;
10463 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10467 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10468 /* Release the mailbox command posting token */
10469 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
10470 /* Setting active mailbox pointer need to be in sync to flag clear */
10471 phba
->sli
.mbox_active
= NULL
;
10472 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10473 /* Wake up worker thread to post the next pending mailbox command */
10474 lpfc_worker_wake_up(phba
);
10475 out_no_mqe_complete
:
10476 if (bf_get(lpfc_trailer_consumed
, mcqe
))
10477 lpfc_sli4_mq_release(phba
->sli4_hba
.mbx_wq
);
10482 * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry
10483 * @phba: Pointer to HBA context object.
10484 * @cqe: Pointer to mailbox completion queue entry.
10486 * This routine process a mailbox completion queue entry, it invokes the
10487 * proper mailbox complete handling or asynchrous event handling routine
10488 * according to the MCQE's async bit.
10490 * Return: true if work posted to worker thread, otherwise false.
10493 lpfc_sli4_sp_handle_mcqe(struct lpfc_hba
*phba
, struct lpfc_cqe
*cqe
)
10495 struct lpfc_mcqe mcqe
;
10498 /* Copy the mailbox MCQE and convert endian order as needed */
10499 lpfc_sli_pcimem_bcopy(cqe
, &mcqe
, sizeof(struct lpfc_mcqe
));
10501 /* Invoke the proper event handling routine */
10502 if (!bf_get(lpfc_trailer_async
, &mcqe
))
10503 workposted
= lpfc_sli4_sp_handle_mbox_event(phba
, &mcqe
);
10505 workposted
= lpfc_sli4_sp_handle_async_event(phba
, &mcqe
);
10510 * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event
10511 * @phba: Pointer to HBA context object.
10512 * @wcqe: Pointer to work-queue completion queue entry.
10514 * This routine handles an ELS work-queue completion event.
10516 * Return: true if work posted to worker thread, otherwise false.
10519 lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba
*phba
,
10520 struct lpfc_wcqe_complete
*wcqe
)
10522 struct lpfc_iocbq
*irspiocbq
;
10523 unsigned long iflags
;
10524 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_FCP_RING
];
10526 /* Get an irspiocbq for later ELS response processing use */
10527 irspiocbq
= lpfc_sli_get_iocbq(phba
);
10529 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10530 "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d "
10531 "fcp_txcmplq_cnt=%d, els_txcmplq_cnt=%d\n",
10532 pring
->txq_cnt
, phba
->iocb_cnt
,
10533 phba
->sli
.ring
[LPFC_FCP_RING
].txcmplq_cnt
,
10534 phba
->sli
.ring
[LPFC_ELS_RING
].txcmplq_cnt
);
10538 /* Save off the slow-path queue event for work thread to process */
10539 memcpy(&irspiocbq
->cq_event
.cqe
.wcqe_cmpl
, wcqe
, sizeof(*wcqe
));
10540 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10541 list_add_tail(&irspiocbq
->cq_event
.list
,
10542 &phba
->sli4_hba
.sp_queue_event
);
10543 phba
->hba_flag
|= HBA_SP_QUEUE_EVT
;
10544 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10550 * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event
10551 * @phba: Pointer to HBA context object.
10552 * @wcqe: Pointer to work-queue completion queue entry.
10554 * This routine handles slow-path WQ entry comsumed event by invoking the
10555 * proper WQ release routine to the slow-path WQ.
10558 lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba
*phba
,
10559 struct lpfc_wcqe_release
*wcqe
)
10561 /* Check for the slow-path ELS work queue */
10562 if (bf_get(lpfc_wcqe_r_wq_id
, wcqe
) == phba
->sli4_hba
.els_wq
->queue_id
)
10563 lpfc_sli4_wq_release(phba
->sli4_hba
.els_wq
,
10564 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
));
10566 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
10567 "2579 Slow-path wqe consume event carries "
10568 "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n",
10569 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
),
10570 phba
->sli4_hba
.els_wq
->queue_id
);
10574 * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event
10575 * @phba: Pointer to HBA context object.
10576 * @cq: Pointer to a WQ completion queue.
10577 * @wcqe: Pointer to work-queue completion queue entry.
10579 * This routine handles an XRI abort event.
10581 * Return: true if work posted to worker thread, otherwise false.
10584 lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba
*phba
,
10585 struct lpfc_queue
*cq
,
10586 struct sli4_wcqe_xri_aborted
*wcqe
)
10588 bool workposted
= false;
10589 struct lpfc_cq_event
*cq_event
;
10590 unsigned long iflags
;
10592 /* Allocate a new internal CQ_EVENT entry */
10593 cq_event
= lpfc_sli4_cq_event_alloc(phba
);
10595 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10596 "0602 Failed to allocate CQ_EVENT entry\n");
10600 /* Move the CQE into the proper xri abort event list */
10601 memcpy(&cq_event
->cqe
, wcqe
, sizeof(struct sli4_wcqe_xri_aborted
));
10602 switch (cq
->subtype
) {
10604 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10605 list_add_tail(&cq_event
->list
,
10606 &phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
10607 /* Set the fcp xri abort event flag */
10608 phba
->hba_flag
|= FCP_XRI_ABORT_EVENT
;
10609 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10613 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10614 list_add_tail(&cq_event
->list
,
10615 &phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
10616 /* Set the els xri abort event flag */
10617 phba
->hba_flag
|= ELS_XRI_ABORT_EVENT
;
10618 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10622 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10623 "0603 Invalid work queue CQE subtype (x%x)\n",
10625 workposted
= false;
10632 * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry
10633 * @phba: Pointer to HBA context object.
10634 * @rcqe: Pointer to receive-queue completion queue entry.
10636 * This routine process a receive-queue completion queue entry.
10638 * Return: true if work posted to worker thread, otherwise false.
10641 lpfc_sli4_sp_handle_rcqe(struct lpfc_hba
*phba
, struct lpfc_rcqe
*rcqe
)
10643 bool workposted
= false;
10644 struct lpfc_queue
*hrq
= phba
->sli4_hba
.hdr_rq
;
10645 struct lpfc_queue
*drq
= phba
->sli4_hba
.dat_rq
;
10646 struct hbq_dmabuf
*dma_buf
;
10647 uint32_t status
, rq_id
;
10648 unsigned long iflags
;
10650 if (bf_get(lpfc_cqe_code
, rcqe
) == CQE_CODE_RECEIVE_V1
)
10651 rq_id
= bf_get(lpfc_rcqe_rq_id_v1
, rcqe
);
10653 rq_id
= bf_get(lpfc_rcqe_rq_id
, rcqe
);
10654 if (rq_id
!= hrq
->queue_id
)
10657 status
= bf_get(lpfc_rcqe_status
, rcqe
);
10659 case FC_STATUS_RQ_BUF_LEN_EXCEEDED
:
10660 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10661 "2537 Receive Frame Truncated!!\n");
10662 case FC_STATUS_RQ_SUCCESS
:
10663 lpfc_sli4_rq_release(hrq
, drq
);
10664 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10665 dma_buf
= lpfc_sli_hbqbuf_get(&phba
->hbqs
[0].hbq_buffer_list
);
10667 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10670 memcpy(&dma_buf
->cq_event
.cqe
.rcqe_cmpl
, rcqe
, sizeof(*rcqe
));
10671 /* save off the frame for the word thread to process */
10672 list_add_tail(&dma_buf
->cq_event
.list
,
10673 &phba
->sli4_hba
.sp_queue_event
);
10674 /* Frame received */
10675 phba
->hba_flag
|= HBA_SP_QUEUE_EVT
;
10676 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10679 case FC_STATUS_INSUFF_BUF_NEED_BUF
:
10680 case FC_STATUS_INSUFF_BUF_FRM_DISC
:
10681 /* Post more buffers if possible */
10682 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10683 phba
->hba_flag
|= HBA_POST_RECEIVE_BUFFER
;
10684 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10693 * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry
10694 * @phba: Pointer to HBA context object.
10695 * @cq: Pointer to the completion queue.
10696 * @wcqe: Pointer to a completion queue entry.
10698 * This routine process a slow-path work-queue or receive queue completion queue
10701 * Return: true if work posted to worker thread, otherwise false.
10704 lpfc_sli4_sp_handle_cqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
10705 struct lpfc_cqe
*cqe
)
10707 struct lpfc_cqe cqevt
;
10708 bool workposted
= false;
10710 /* Copy the work queue CQE and convert endian order if needed */
10711 lpfc_sli_pcimem_bcopy(cqe
, &cqevt
, sizeof(struct lpfc_cqe
));
10713 /* Check and process for different type of WCQE and dispatch */
10714 switch (bf_get(lpfc_cqe_code
, &cqevt
)) {
10715 case CQE_CODE_COMPL_WQE
:
10716 /* Process the WQ/RQ complete event */
10717 phba
->last_completion_time
= jiffies
;
10718 workposted
= lpfc_sli4_sp_handle_els_wcqe(phba
,
10719 (struct lpfc_wcqe_complete
*)&cqevt
);
10721 case CQE_CODE_RELEASE_WQE
:
10722 /* Process the WQ release event */
10723 lpfc_sli4_sp_handle_rel_wcqe(phba
,
10724 (struct lpfc_wcqe_release
*)&cqevt
);
10726 case CQE_CODE_XRI_ABORTED
:
10727 /* Process the WQ XRI abort event */
10728 phba
->last_completion_time
= jiffies
;
10729 workposted
= lpfc_sli4_sp_handle_abort_xri_wcqe(phba
, cq
,
10730 (struct sli4_wcqe_xri_aborted
*)&cqevt
);
10732 case CQE_CODE_RECEIVE
:
10733 case CQE_CODE_RECEIVE_V1
:
10734 /* Process the RQ event */
10735 phba
->last_completion_time
= jiffies
;
10736 workposted
= lpfc_sli4_sp_handle_rcqe(phba
,
10737 (struct lpfc_rcqe
*)&cqevt
);
10740 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10741 "0388 Not a valid WCQE code: x%x\n",
10742 bf_get(lpfc_cqe_code
, &cqevt
));
10749 * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry
10750 * @phba: Pointer to HBA context object.
10751 * @eqe: Pointer to fast-path event queue entry.
10753 * This routine process a event queue entry from the slow-path event queue.
10754 * It will check the MajorCode and MinorCode to determine this is for a
10755 * completion event on a completion queue, if not, an error shall be logged
10756 * and just return. Otherwise, it will get to the corresponding completion
10757 * queue and process all the entries on that completion queue, rearm the
10758 * completion queue, and then return.
10762 lpfc_sli4_sp_handle_eqe(struct lpfc_hba
*phba
, struct lpfc_eqe
*eqe
)
10764 struct lpfc_queue
*cq
= NULL
, *childq
, *speq
;
10765 struct lpfc_cqe
*cqe
;
10766 bool workposted
= false;
10770 if (bf_get_le32(lpfc_eqe_major_code
, eqe
) != 0) {
10771 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10772 "0359 Not a valid slow-path completion "
10773 "event: majorcode=x%x, minorcode=x%x\n",
10774 bf_get_le32(lpfc_eqe_major_code
, eqe
),
10775 bf_get_le32(lpfc_eqe_minor_code
, eqe
));
10779 /* Get the reference to the corresponding CQ */
10780 cqid
= bf_get_le32(lpfc_eqe_resource_id
, eqe
);
10782 /* Search for completion queue pointer matching this cqid */
10783 speq
= phba
->sli4_hba
.sp_eq
;
10784 list_for_each_entry(childq
, &speq
->child_list
, list
) {
10785 if (childq
->queue_id
== cqid
) {
10790 if (unlikely(!cq
)) {
10791 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
10792 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10793 "0365 Slow-path CQ identifier "
10794 "(%d) does not exist\n", cqid
);
10798 /* Process all the entries to the CQ */
10799 switch (cq
->type
) {
10801 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
10802 workposted
|= lpfc_sli4_sp_handle_mcqe(phba
, cqe
);
10803 if (!(++ecount
% LPFC_GET_QE_REL_INT
))
10804 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
10808 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
10809 if (cq
->subtype
== LPFC_FCP
)
10810 workposted
|= lpfc_sli4_fp_handle_wcqe(phba
, cq
,
10813 workposted
|= lpfc_sli4_sp_handle_cqe(phba
, cq
,
10815 if (!(++ecount
% LPFC_GET_QE_REL_INT
))
10816 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
10820 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10821 "0370 Invalid completion queue type (%d)\n",
10826 /* Catch the no cq entry condition, log an error */
10827 if (unlikely(ecount
== 0))
10828 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10829 "0371 No entry from the CQ: identifier "
10830 "(x%x), type (%d)\n", cq
->queue_id
, cq
->type
);
10832 /* In any case, flash and re-arm the RCQ */
10833 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_REARM
);
10835 /* wake up worker thread if there are works to be done */
10837 lpfc_worker_wake_up(phba
);
10841 * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry
10842 * @eqe: Pointer to fast-path completion queue entry.
10844 * This routine process a fast-path work queue completion entry from fast-path
10845 * event queue for FCP command response completion.
10848 lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba
*phba
,
10849 struct lpfc_wcqe_complete
*wcqe
)
10851 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_FCP_RING
];
10852 struct lpfc_iocbq
*cmdiocbq
;
10853 struct lpfc_iocbq irspiocbq
;
10854 unsigned long iflags
;
10856 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10857 pring
->stats
.iocb_event
++;
10858 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10860 /* Check for response status */
10861 if (unlikely(bf_get(lpfc_wcqe_c_status
, wcqe
))) {
10862 /* If resource errors reported from HBA, reduce queue
10863 * depth of the SCSI device.
10865 if ((bf_get(lpfc_wcqe_c_status
, wcqe
) ==
10866 IOSTAT_LOCAL_REJECT
) &&
10867 (wcqe
->parameter
== IOERR_NO_RESOURCES
)) {
10868 phba
->lpfc_rampdown_queue_depth(phba
);
10870 /* Log the error status */
10871 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
10872 "0373 FCP complete error: status=x%x, "
10873 "hw_status=x%x, total_data_specified=%d, "
10874 "parameter=x%x, word3=x%x\n",
10875 bf_get(lpfc_wcqe_c_status
, wcqe
),
10876 bf_get(lpfc_wcqe_c_hw_status
, wcqe
),
10877 wcqe
->total_data_placed
, wcqe
->parameter
,
10881 /* Look up the FCP command IOCB and create pseudo response IOCB */
10882 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10883 cmdiocbq
= lpfc_sli_iocbq_lookup_by_tag(phba
, pring
,
10884 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
10885 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10886 if (unlikely(!cmdiocbq
)) {
10887 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
10888 "0374 FCP complete with no corresponding "
10889 "cmdiocb: iotag (%d)\n",
10890 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
10893 if (unlikely(!cmdiocbq
->iocb_cmpl
)) {
10894 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
10895 "0375 FCP cmdiocb not callback function "
10897 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
10901 /* Fake the irspiocb and copy necessary response information */
10902 lpfc_sli4_iocb_param_transfer(phba
, &irspiocbq
, cmdiocbq
, wcqe
);
10904 if (cmdiocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
) {
10905 spin_lock_irqsave(&phba
->hbalock
, iflags
);
10906 cmdiocbq
->iocb_flag
&= ~LPFC_DRIVER_ABORTED
;
10907 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
10910 /* Pass the cmd_iocb and the rsp state to the upper layer */
10911 (cmdiocbq
->iocb_cmpl
)(phba
, cmdiocbq
, &irspiocbq
);
10915 * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event
10916 * @phba: Pointer to HBA context object.
10917 * @cq: Pointer to completion queue.
10918 * @wcqe: Pointer to work-queue completion queue entry.
10920 * This routine handles an fast-path WQ entry comsumed event by invoking the
10921 * proper WQ release routine to the slow-path WQ.
10924 lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
10925 struct lpfc_wcqe_release
*wcqe
)
10927 struct lpfc_queue
*childwq
;
10928 bool wqid_matched
= false;
10931 /* Check for fast-path FCP work queue release */
10932 fcp_wqid
= bf_get(lpfc_wcqe_r_wq_id
, wcqe
);
10933 list_for_each_entry(childwq
, &cq
->child_list
, list
) {
10934 if (childwq
->queue_id
== fcp_wqid
) {
10935 lpfc_sli4_wq_release(childwq
,
10936 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
));
10937 wqid_matched
= true;
10941 /* Report warning log message if no match found */
10942 if (wqid_matched
!= true)
10943 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
10944 "2580 Fast-path wqe consume event carries "
10945 "miss-matched qid: wcqe-qid=x%x\n", fcp_wqid
);
10949 * lpfc_sli4_fp_handle_wcqe - Process fast-path work queue completion entry
10950 * @cq: Pointer to the completion queue.
10951 * @eqe: Pointer to fast-path completion queue entry.
10953 * This routine process a fast-path work queue completion entry from fast-path
10954 * event queue for FCP command response completion.
10957 lpfc_sli4_fp_handle_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
10958 struct lpfc_cqe
*cqe
)
10960 struct lpfc_wcqe_release wcqe
;
10961 bool workposted
= false;
10963 /* Copy the work queue CQE and convert endian order if needed */
10964 lpfc_sli_pcimem_bcopy(cqe
, &wcqe
, sizeof(struct lpfc_cqe
));
10966 /* Check and process for different type of WCQE and dispatch */
10967 switch (bf_get(lpfc_wcqe_c_code
, &wcqe
)) {
10968 case CQE_CODE_COMPL_WQE
:
10969 /* Process the WQ complete event */
10970 phba
->last_completion_time
= jiffies
;
10971 lpfc_sli4_fp_handle_fcp_wcqe(phba
,
10972 (struct lpfc_wcqe_complete
*)&wcqe
);
10974 case CQE_CODE_RELEASE_WQE
:
10975 /* Process the WQ release event */
10976 lpfc_sli4_fp_handle_rel_wcqe(phba
, cq
,
10977 (struct lpfc_wcqe_release
*)&wcqe
);
10979 case CQE_CODE_XRI_ABORTED
:
10980 /* Process the WQ XRI abort event */
10981 phba
->last_completion_time
= jiffies
;
10982 workposted
= lpfc_sli4_sp_handle_abort_xri_wcqe(phba
, cq
,
10983 (struct sli4_wcqe_xri_aborted
*)&wcqe
);
10986 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
10987 "0144 Not a valid WCQE code: x%x\n",
10988 bf_get(lpfc_wcqe_c_code
, &wcqe
));
10995 * lpfc_sli4_fp_handle_eqe - Process a fast-path event queue entry
10996 * @phba: Pointer to HBA context object.
10997 * @eqe: Pointer to fast-path event queue entry.
10999 * This routine process a event queue entry from the fast-path event queue.
11000 * It will check the MajorCode and MinorCode to determine this is for a
11001 * completion event on a completion queue, if not, an error shall be logged
11002 * and just return. Otherwise, it will get to the corresponding completion
11003 * queue and process all the entries on the completion queue, rearm the
11004 * completion queue, and then return.
11007 lpfc_sli4_fp_handle_eqe(struct lpfc_hba
*phba
, struct lpfc_eqe
*eqe
,
11008 uint32_t fcp_cqidx
)
11010 struct lpfc_queue
*cq
;
11011 struct lpfc_cqe
*cqe
;
11012 bool workposted
= false;
11016 if (unlikely(bf_get_le32(lpfc_eqe_major_code
, eqe
) != 0)) {
11017 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11018 "0366 Not a valid fast-path completion "
11019 "event: majorcode=x%x, minorcode=x%x\n",
11020 bf_get_le32(lpfc_eqe_major_code
, eqe
),
11021 bf_get_le32(lpfc_eqe_minor_code
, eqe
));
11025 cq
= phba
->sli4_hba
.fcp_cq
[fcp_cqidx
];
11026 if (unlikely(!cq
)) {
11027 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
11028 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11029 "0367 Fast-path completion queue "
11030 "does not exist\n");
11034 /* Get the reference to the corresponding CQ */
11035 cqid
= bf_get_le32(lpfc_eqe_resource_id
, eqe
);
11036 if (unlikely(cqid
!= cq
->queue_id
)) {
11037 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11038 "0368 Miss-matched fast-path completion "
11039 "queue identifier: eqcqid=%d, fcpcqid=%d\n",
11040 cqid
, cq
->queue_id
);
11044 /* Process all the entries to the CQ */
11045 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
11046 workposted
|= lpfc_sli4_fp_handle_wcqe(phba
, cq
, cqe
);
11047 if (!(++ecount
% LPFC_GET_QE_REL_INT
))
11048 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
11051 /* Catch the no cq entry condition */
11052 if (unlikely(ecount
== 0))
11053 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11054 "0369 No entry from fast-path completion "
11055 "queue fcpcqid=%d\n", cq
->queue_id
);
11057 /* In any case, flash and re-arm the CQ */
11058 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_REARM
);
11060 /* wake up worker thread if there are works to be done */
11062 lpfc_worker_wake_up(phba
);
11066 lpfc_sli4_eq_flush(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
)
11068 struct lpfc_eqe
*eqe
;
11070 /* walk all the EQ entries and drop on the floor */
11071 while ((eqe
= lpfc_sli4_eq_get(eq
)))
11074 /* Clear and re-arm the EQ */
11075 lpfc_sli4_eq_release(eq
, LPFC_QUEUE_REARM
);
11079 * lpfc_sli4_sp_intr_handler - Slow-path interrupt handler to SLI-4 device
11080 * @irq: Interrupt number.
11081 * @dev_id: The device context pointer.
11083 * This function is directly called from the PCI layer as an interrupt
11084 * service routine when device with SLI-4 interface spec is enabled with
11085 * MSI-X multi-message interrupt mode and there are slow-path events in
11086 * the HBA. However, when the device is enabled with either MSI or Pin-IRQ
11087 * interrupt mode, this function is called as part of the device-level
11088 * interrupt handler. When the PCI slot is in error recovery or the HBA is
11089 * undergoing initialization, the interrupt handler will not process the
11090 * interrupt. The link attention and ELS ring attention events are handled
11091 * by the worker thread. The interrupt handler signals the worker thread
11092 * and returns for these events. This function is called without any lock
11093 * held. It gets the hbalock to access and update SLI data structures.
11095 * This function returns IRQ_HANDLED when interrupt is handled else it
11096 * returns IRQ_NONE.
11099 lpfc_sli4_sp_intr_handler(int irq
, void *dev_id
)
11101 struct lpfc_hba
*phba
;
11102 struct lpfc_queue
*speq
;
11103 struct lpfc_eqe
*eqe
;
11104 unsigned long iflag
;
11108 * Get the driver's phba structure from the dev_id
11110 phba
= (struct lpfc_hba
*)dev_id
;
11112 if (unlikely(!phba
))
11115 /* Get to the EQ struct associated with this vector */
11116 speq
= phba
->sli4_hba
.sp_eq
;
11118 /* Check device state for handling interrupt */
11119 if (unlikely(lpfc_intr_state_check(phba
))) {
11120 /* Check again for link_state with lock held */
11121 spin_lock_irqsave(&phba
->hbalock
, iflag
);
11122 if (phba
->link_state
< LPFC_LINK_DOWN
)
11123 /* Flush, clear interrupt, and rearm the EQ */
11124 lpfc_sli4_eq_flush(phba
, speq
);
11125 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11130 * Process all the event on FCP slow-path EQ
11132 while ((eqe
= lpfc_sli4_eq_get(speq
))) {
11133 lpfc_sli4_sp_handle_eqe(phba
, eqe
);
11134 if (!(++ecount
% LPFC_GET_QE_REL_INT
))
11135 lpfc_sli4_eq_release(speq
, LPFC_QUEUE_NOARM
);
11138 /* Always clear and re-arm the slow-path EQ */
11139 lpfc_sli4_eq_release(speq
, LPFC_QUEUE_REARM
);
11141 /* Catch the no cq entry condition */
11142 if (unlikely(ecount
== 0)) {
11143 if (phba
->intr_type
== MSIX
)
11144 /* MSI-X treated interrupt served as no EQ share INT */
11145 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11146 "0357 MSI-X interrupt with no EQE\n");
11148 /* Non MSI-X treated on interrupt as EQ share INT */
11152 return IRQ_HANDLED
;
11153 } /* lpfc_sli4_sp_intr_handler */
11156 * lpfc_sli4_fp_intr_handler - Fast-path interrupt handler to SLI-4 device
11157 * @irq: Interrupt number.
11158 * @dev_id: The device context pointer.
11160 * This function is directly called from the PCI layer as an interrupt
11161 * service routine when device with SLI-4 interface spec is enabled with
11162 * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB
11163 * ring event in the HBA. However, when the device is enabled with either
11164 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
11165 * device-level interrupt handler. When the PCI slot is in error recovery
11166 * or the HBA is undergoing initialization, the interrupt handler will not
11167 * process the interrupt. The SCSI FCP fast-path ring event are handled in
11168 * the intrrupt context. This function is called without any lock held.
11169 * It gets the hbalock to access and update SLI data structures. Note that,
11170 * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is
11171 * equal to that of FCP CQ index.
11173 * This function returns IRQ_HANDLED when interrupt is handled else it
11174 * returns IRQ_NONE.
11177 lpfc_sli4_fp_intr_handler(int irq
, void *dev_id
)
11179 struct lpfc_hba
*phba
;
11180 struct lpfc_fcp_eq_hdl
*fcp_eq_hdl
;
11181 struct lpfc_queue
*fpeq
;
11182 struct lpfc_eqe
*eqe
;
11183 unsigned long iflag
;
11185 uint32_t fcp_eqidx
;
11187 /* Get the driver's phba structure from the dev_id */
11188 fcp_eq_hdl
= (struct lpfc_fcp_eq_hdl
*)dev_id
;
11189 phba
= fcp_eq_hdl
->phba
;
11190 fcp_eqidx
= fcp_eq_hdl
->idx
;
11192 if (unlikely(!phba
))
11195 /* Get to the EQ struct associated with this vector */
11196 fpeq
= phba
->sli4_hba
.fp_eq
[fcp_eqidx
];
11198 /* Check device state for handling interrupt */
11199 if (unlikely(lpfc_intr_state_check(phba
))) {
11200 /* Check again for link_state with lock held */
11201 spin_lock_irqsave(&phba
->hbalock
, iflag
);
11202 if (phba
->link_state
< LPFC_LINK_DOWN
)
11203 /* Flush, clear interrupt, and rearm the EQ */
11204 lpfc_sli4_eq_flush(phba
, fpeq
);
11205 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11210 * Process all the event on FCP fast-path EQ
11212 while ((eqe
= lpfc_sli4_eq_get(fpeq
))) {
11213 lpfc_sli4_fp_handle_eqe(phba
, eqe
, fcp_eqidx
);
11214 if (!(++ecount
% LPFC_GET_QE_REL_INT
))
11215 lpfc_sli4_eq_release(fpeq
, LPFC_QUEUE_NOARM
);
11218 /* Always clear and re-arm the fast-path EQ */
11219 lpfc_sli4_eq_release(fpeq
, LPFC_QUEUE_REARM
);
11221 if (unlikely(ecount
== 0)) {
11222 if (phba
->intr_type
== MSIX
)
11223 /* MSI-X treated interrupt served as no EQ share INT */
11224 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11225 "0358 MSI-X interrupt with no EQE\n");
11227 /* Non MSI-X treated on interrupt as EQ share INT */
11231 return IRQ_HANDLED
;
11232 } /* lpfc_sli4_fp_intr_handler */
11235 * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device
11236 * @irq: Interrupt number.
11237 * @dev_id: The device context pointer.
11239 * This function is the device-level interrupt handler to device with SLI-4
11240 * interface spec, called from the PCI layer when either MSI or Pin-IRQ
11241 * interrupt mode is enabled and there is an event in the HBA which requires
11242 * driver attention. This function invokes the slow-path interrupt attention
11243 * handling function and fast-path interrupt attention handling function in
11244 * turn to process the relevant HBA attention events. This function is called
11245 * without any lock held. It gets the hbalock to access and update SLI data
11248 * This function returns IRQ_HANDLED when interrupt is handled, else it
11249 * returns IRQ_NONE.
11252 lpfc_sli4_intr_handler(int irq
, void *dev_id
)
11254 struct lpfc_hba
*phba
;
11255 irqreturn_t sp_irq_rc
, fp_irq_rc
;
11256 bool fp_handled
= false;
11257 uint32_t fcp_eqidx
;
11259 /* Get the driver's phba structure from the dev_id */
11260 phba
= (struct lpfc_hba
*)dev_id
;
11262 if (unlikely(!phba
))
11266 * Invokes slow-path host attention interrupt handling as appropriate.
11268 sp_irq_rc
= lpfc_sli4_sp_intr_handler(irq
, dev_id
);
11271 * Invoke fast-path host attention interrupt handling as appropriate.
11273 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
11274 fp_irq_rc
= lpfc_sli4_fp_intr_handler(irq
,
11275 &phba
->sli4_hba
.fcp_eq_hdl
[fcp_eqidx
]);
11276 if (fp_irq_rc
== IRQ_HANDLED
)
11277 fp_handled
|= true;
11280 return (fp_handled
== true) ? IRQ_HANDLED
: sp_irq_rc
;
11281 } /* lpfc_sli4_intr_handler */
11284 * lpfc_sli4_queue_free - free a queue structure and associated memory
11285 * @queue: The queue structure to free.
11287 * This function frees a queue structure and the DMAable memory used for
11288 * the host resident queue. This function must be called after destroying the
11289 * queue on the HBA.
11292 lpfc_sli4_queue_free(struct lpfc_queue
*queue
)
11294 struct lpfc_dmabuf
*dmabuf
;
11299 while (!list_empty(&queue
->page_list
)) {
11300 list_remove_head(&queue
->page_list
, dmabuf
, struct lpfc_dmabuf
,
11302 dma_free_coherent(&queue
->phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
11303 dmabuf
->virt
, dmabuf
->phys
);
11311 * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure
11312 * @phba: The HBA that this queue is being created on.
11313 * @entry_size: The size of each queue entry for this queue.
11314 * @entry count: The number of entries that this queue will handle.
11316 * This function allocates a queue structure and the DMAable memory used for
11317 * the host resident queue. This function must be called before creating the
11318 * queue on the HBA.
11320 struct lpfc_queue
*
11321 lpfc_sli4_queue_alloc(struct lpfc_hba
*phba
, uint32_t entry_size
,
11322 uint32_t entry_count
)
11324 struct lpfc_queue
*queue
;
11325 struct lpfc_dmabuf
*dmabuf
;
11326 int x
, total_qe_count
;
11328 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
11330 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
11331 hw_page_size
= SLI4_PAGE_SIZE
;
11333 queue
= kzalloc(sizeof(struct lpfc_queue
) +
11334 (sizeof(union sli4_qe
) * entry_count
), GFP_KERNEL
);
11337 queue
->page_count
= (ALIGN(entry_size
* entry_count
,
11338 hw_page_size
))/hw_page_size
;
11339 INIT_LIST_HEAD(&queue
->list
);
11340 INIT_LIST_HEAD(&queue
->page_list
);
11341 INIT_LIST_HEAD(&queue
->child_list
);
11342 for (x
= 0, total_qe_count
= 0; x
< queue
->page_count
; x
++) {
11343 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
11346 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
11347 hw_page_size
, &dmabuf
->phys
,
11349 if (!dmabuf
->virt
) {
11353 memset(dmabuf
->virt
, 0, hw_page_size
);
11354 dmabuf
->buffer_tag
= x
;
11355 list_add_tail(&dmabuf
->list
, &queue
->page_list
);
11356 /* initialize queue's entry array */
11357 dma_pointer
= dmabuf
->virt
;
11358 for (; total_qe_count
< entry_count
&&
11359 dma_pointer
< (hw_page_size
+ dmabuf
->virt
);
11360 total_qe_count
++, dma_pointer
+= entry_size
) {
11361 queue
->qe
[total_qe_count
].address
= dma_pointer
;
11364 queue
->entry_size
= entry_size
;
11365 queue
->entry_count
= entry_count
;
11366 queue
->phba
= phba
;
11370 lpfc_sli4_queue_free(queue
);
11375 * lpfc_eq_create - Create an Event Queue on the HBA
11376 * @phba: HBA structure that indicates port to create a queue on.
11377 * @eq: The queue structure to use to create the event queue.
11378 * @imax: The maximum interrupt per second limit.
11380 * This function creates an event queue, as detailed in @eq, on a port,
11381 * described by @phba by sending an EQ_CREATE mailbox command to the HBA.
11383 * The @phba struct is used to send mailbox command to HBA. The @eq struct
11384 * is used to get the entry count and entry size that are necessary to
11385 * determine the number of pages to allocate and use for this queue. This
11386 * function will send the EQ_CREATE mailbox command to the HBA to setup the
11387 * event queue. This function is asynchronous and will wait for the mailbox
11388 * command to finish before continuing.
11390 * On success this function will return a zero. If unable to allocate enough
11391 * memory this function will return -ENOMEM. If the queue create mailbox command
11392 * fails this function will return -ENXIO.
11395 lpfc_eq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
, uint16_t imax
)
11397 struct lpfc_mbx_eq_create
*eq_create
;
11398 LPFC_MBOXQ_t
*mbox
;
11399 int rc
, length
, status
= 0;
11400 struct lpfc_dmabuf
*dmabuf
;
11401 uint32_t shdr_status
, shdr_add_status
;
11402 union lpfc_sli4_cfg_shdr
*shdr
;
11404 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
11406 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
11407 hw_page_size
= SLI4_PAGE_SIZE
;
11409 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
11412 length
= (sizeof(struct lpfc_mbx_eq_create
) -
11413 sizeof(struct lpfc_sli4_cfg_mhdr
));
11414 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
11415 LPFC_MBOX_OPCODE_EQ_CREATE
,
11416 length
, LPFC_SLI4_MBX_EMBED
);
11417 eq_create
= &mbox
->u
.mqe
.un
.eq_create
;
11418 bf_set(lpfc_mbx_eq_create_num_pages
, &eq_create
->u
.request
,
11420 bf_set(lpfc_eq_context_size
, &eq_create
->u
.request
.context
,
11422 bf_set(lpfc_eq_context_valid
, &eq_create
->u
.request
.context
, 1);
11423 /* Calculate delay multiper from maximum interrupt per second */
11424 dmult
= LPFC_DMULT_CONST
/imax
- 1;
11425 bf_set(lpfc_eq_context_delay_multi
, &eq_create
->u
.request
.context
,
11427 switch (eq
->entry_count
) {
11429 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11430 "0360 Unsupported EQ count. (%d)\n",
11432 if (eq
->entry_count
< 256)
11434 /* otherwise default to smallest count (drop through) */
11436 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
11440 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
11444 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
11448 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
11452 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
11456 list_for_each_entry(dmabuf
, &eq
->page_list
, list
) {
11457 memset(dmabuf
->virt
, 0, hw_page_size
);
11458 eq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
11459 putPaddrLow(dmabuf
->phys
);
11460 eq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
11461 putPaddrHigh(dmabuf
->phys
);
11463 mbox
->vport
= phba
->pport
;
11464 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
11465 mbox
->context1
= NULL
;
11466 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
11467 shdr
= (union lpfc_sli4_cfg_shdr
*) &eq_create
->header
.cfg_shdr
;
11468 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
11469 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
11470 if (shdr_status
|| shdr_add_status
|| rc
) {
11471 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11472 "2500 EQ_CREATE mailbox failed with "
11473 "status x%x add_status x%x, mbx status x%x\n",
11474 shdr_status
, shdr_add_status
, rc
);
11477 eq
->type
= LPFC_EQ
;
11478 eq
->subtype
= LPFC_NONE
;
11479 eq
->queue_id
= bf_get(lpfc_mbx_eq_create_q_id
, &eq_create
->u
.response
);
11480 if (eq
->queue_id
== 0xFFFF)
11482 eq
->host_index
= 0;
11485 mempool_free(mbox
, phba
->mbox_mem_pool
);
11490 * lpfc_cq_create - Create a Completion Queue on the HBA
11491 * @phba: HBA structure that indicates port to create a queue on.
11492 * @cq: The queue structure to use to create the completion queue.
11493 * @eq: The event queue to bind this completion queue to.
11495 * This function creates a completion queue, as detailed in @wq, on a port,
11496 * described by @phba by sending a CQ_CREATE mailbox command to the HBA.
11498 * The @phba struct is used to send mailbox command to HBA. The @cq struct
11499 * is used to get the entry count and entry size that are necessary to
11500 * determine the number of pages to allocate and use for this queue. The @eq
11501 * is used to indicate which event queue to bind this completion queue to. This
11502 * function will send the CQ_CREATE mailbox command to the HBA to setup the
11503 * completion queue. This function is asynchronous and will wait for the mailbox
11504 * command to finish before continuing.
11506 * On success this function will return a zero. If unable to allocate enough
11507 * memory this function will return -ENOMEM. If the queue create mailbox command
11508 * fails this function will return -ENXIO.
11511 lpfc_cq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
11512 struct lpfc_queue
*eq
, uint32_t type
, uint32_t subtype
)
11514 struct lpfc_mbx_cq_create
*cq_create
;
11515 struct lpfc_dmabuf
*dmabuf
;
11516 LPFC_MBOXQ_t
*mbox
;
11517 int rc
, length
, status
= 0;
11518 uint32_t shdr_status
, shdr_add_status
;
11519 union lpfc_sli4_cfg_shdr
*shdr
;
11520 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
11522 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
11523 hw_page_size
= SLI4_PAGE_SIZE
;
11525 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
11528 length
= (sizeof(struct lpfc_mbx_cq_create
) -
11529 sizeof(struct lpfc_sli4_cfg_mhdr
));
11530 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
11531 LPFC_MBOX_OPCODE_CQ_CREATE
,
11532 length
, LPFC_SLI4_MBX_EMBED
);
11533 cq_create
= &mbox
->u
.mqe
.un
.cq_create
;
11534 shdr
= (union lpfc_sli4_cfg_shdr
*) &cq_create
->header
.cfg_shdr
;
11535 bf_set(lpfc_mbx_cq_create_num_pages
, &cq_create
->u
.request
,
11537 bf_set(lpfc_cq_context_event
, &cq_create
->u
.request
.context
, 1);
11538 bf_set(lpfc_cq_context_valid
, &cq_create
->u
.request
.context
, 1);
11539 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
11540 phba
->sli4_hba
.pc_sli4_params
.cqv
);
11541 if (phba
->sli4_hba
.pc_sli4_params
.cqv
== LPFC_Q_CREATE_VERSION_2
) {
11542 /* FW only supports 1. Should be PAGE_SIZE/SLI4_PAGE_SIZE */
11543 bf_set(lpfc_mbx_cq_create_page_size
, &cq_create
->u
.request
, 1);
11544 bf_set(lpfc_cq_eq_id_2
, &cq_create
->u
.request
.context
,
11547 bf_set(lpfc_cq_eq_id
, &cq_create
->u
.request
.context
,
11550 switch (cq
->entry_count
) {
11552 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11553 "0361 Unsupported CQ count. (%d)\n",
11555 if (cq
->entry_count
< 256)
11557 /* otherwise default to smallest count (drop through) */
11559 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
11563 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
11567 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
11571 list_for_each_entry(dmabuf
, &cq
->page_list
, list
) {
11572 memset(dmabuf
->virt
, 0, hw_page_size
);
11573 cq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
11574 putPaddrLow(dmabuf
->phys
);
11575 cq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
11576 putPaddrHigh(dmabuf
->phys
);
11578 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
11580 /* The IOCTL status is embedded in the mailbox subheader. */
11581 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
11582 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
11583 if (shdr_status
|| shdr_add_status
|| rc
) {
11584 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11585 "2501 CQ_CREATE mailbox failed with "
11586 "status x%x add_status x%x, mbx status x%x\n",
11587 shdr_status
, shdr_add_status
, rc
);
11591 cq
->queue_id
= bf_get(lpfc_mbx_cq_create_q_id
, &cq_create
->u
.response
);
11592 if (cq
->queue_id
== 0xFFFF) {
11596 /* link the cq onto the parent eq child list */
11597 list_add_tail(&cq
->list
, &eq
->child_list
);
11598 /* Set up completion queue's type and subtype */
11600 cq
->subtype
= subtype
;
11601 cq
->queue_id
= bf_get(lpfc_mbx_cq_create_q_id
, &cq_create
->u
.response
);
11602 cq
->assoc_qid
= eq
->queue_id
;
11603 cq
->host_index
= 0;
11607 mempool_free(mbox
, phba
->mbox_mem_pool
);
11612 * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration
11613 * @phba: HBA structure that indicates port to create a queue on.
11614 * @mq: The queue structure to use to create the mailbox queue.
11615 * @mbox: An allocated pointer to type LPFC_MBOXQ_t
11616 * @cq: The completion queue to associate with this cq.
11618 * This function provides failback (fb) functionality when the
11619 * mq_create_ext fails on older FW generations. It's purpose is identical
11620 * to mq_create_ext otherwise.
11622 * This routine cannot fail as all attributes were previously accessed and
11623 * initialized in mq_create_ext.
11626 lpfc_mq_create_fb_init(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
,
11627 LPFC_MBOXQ_t
*mbox
, struct lpfc_queue
*cq
)
11629 struct lpfc_mbx_mq_create
*mq_create
;
11630 struct lpfc_dmabuf
*dmabuf
;
11633 length
= (sizeof(struct lpfc_mbx_mq_create
) -
11634 sizeof(struct lpfc_sli4_cfg_mhdr
));
11635 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
11636 LPFC_MBOX_OPCODE_MQ_CREATE
,
11637 length
, LPFC_SLI4_MBX_EMBED
);
11638 mq_create
= &mbox
->u
.mqe
.un
.mq_create
;
11639 bf_set(lpfc_mbx_mq_create_num_pages
, &mq_create
->u
.request
,
11641 bf_set(lpfc_mq_context_cq_id
, &mq_create
->u
.request
.context
,
11643 bf_set(lpfc_mq_context_valid
, &mq_create
->u
.request
.context
, 1);
11644 switch (mq
->entry_count
) {
11646 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
11647 LPFC_MQ_RING_SIZE_16
);
11650 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
11651 LPFC_MQ_RING_SIZE_32
);
11654 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
11655 LPFC_MQ_RING_SIZE_64
);
11658 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
11659 LPFC_MQ_RING_SIZE_128
);
11662 list_for_each_entry(dmabuf
, &mq
->page_list
, list
) {
11663 mq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
11664 putPaddrLow(dmabuf
->phys
);
11665 mq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
11666 putPaddrHigh(dmabuf
->phys
);
11671 * lpfc_mq_create - Create a mailbox Queue on the HBA
11672 * @phba: HBA structure that indicates port to create a queue on.
11673 * @mq: The queue structure to use to create the mailbox queue.
11674 * @cq: The completion queue to associate with this cq.
11675 * @subtype: The queue's subtype.
11677 * This function creates a mailbox queue, as detailed in @mq, on a port,
11678 * described by @phba by sending a MQ_CREATE mailbox command to the HBA.
11680 * The @phba struct is used to send mailbox command to HBA. The @cq struct
11681 * is used to get the entry count and entry size that are necessary to
11682 * determine the number of pages to allocate and use for this queue. This
11683 * function will send the MQ_CREATE mailbox command to the HBA to setup the
11684 * mailbox queue. This function is asynchronous and will wait for the mailbox
11685 * command to finish before continuing.
11687 * On success this function will return a zero. If unable to allocate enough
11688 * memory this function will return -ENOMEM. If the queue create mailbox command
11689 * fails this function will return -ENXIO.
11692 lpfc_mq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
,
11693 struct lpfc_queue
*cq
, uint32_t subtype
)
11695 struct lpfc_mbx_mq_create
*mq_create
;
11696 struct lpfc_mbx_mq_create_ext
*mq_create_ext
;
11697 struct lpfc_dmabuf
*dmabuf
;
11698 LPFC_MBOXQ_t
*mbox
;
11699 int rc
, length
, status
= 0;
11700 uint32_t shdr_status
, shdr_add_status
;
11701 union lpfc_sli4_cfg_shdr
*shdr
;
11702 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
11704 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
11705 hw_page_size
= SLI4_PAGE_SIZE
;
11707 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
11710 length
= (sizeof(struct lpfc_mbx_mq_create_ext
) -
11711 sizeof(struct lpfc_sli4_cfg_mhdr
));
11712 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
11713 LPFC_MBOX_OPCODE_MQ_CREATE_EXT
,
11714 length
, LPFC_SLI4_MBX_EMBED
);
11716 mq_create_ext
= &mbox
->u
.mqe
.un
.mq_create_ext
;
11717 shdr
= (union lpfc_sli4_cfg_shdr
*) &mq_create_ext
->header
.cfg_shdr
;
11718 bf_set(lpfc_mbx_mq_create_ext_num_pages
,
11719 &mq_create_ext
->u
.request
, mq
->page_count
);
11720 bf_set(lpfc_mbx_mq_create_ext_async_evt_link
,
11721 &mq_create_ext
->u
.request
, 1);
11722 bf_set(lpfc_mbx_mq_create_ext_async_evt_fip
,
11723 &mq_create_ext
->u
.request
, 1);
11724 bf_set(lpfc_mbx_mq_create_ext_async_evt_group5
,
11725 &mq_create_ext
->u
.request
, 1);
11726 bf_set(lpfc_mbx_mq_create_ext_async_evt_fc
,
11727 &mq_create_ext
->u
.request
, 1);
11728 bf_set(lpfc_mbx_mq_create_ext_async_evt_sli
,
11729 &mq_create_ext
->u
.request
, 1);
11730 bf_set(lpfc_mq_context_valid
, &mq_create_ext
->u
.request
.context
, 1);
11731 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
11732 phba
->sli4_hba
.pc_sli4_params
.mqv
);
11733 if (phba
->sli4_hba
.pc_sli4_params
.mqv
== LPFC_Q_CREATE_VERSION_1
)
11734 bf_set(lpfc_mbx_mq_create_ext_cq_id
, &mq_create_ext
->u
.request
,
11737 bf_set(lpfc_mq_context_cq_id
, &mq_create_ext
->u
.request
.context
,
11739 switch (mq
->entry_count
) {
11741 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11742 "0362 Unsupported MQ count. (%d)\n",
11744 if (mq
->entry_count
< 16)
11746 /* otherwise default to smallest count (drop through) */
11748 bf_set(lpfc_mq_context_ring_size
,
11749 &mq_create_ext
->u
.request
.context
,
11750 LPFC_MQ_RING_SIZE_16
);
11753 bf_set(lpfc_mq_context_ring_size
,
11754 &mq_create_ext
->u
.request
.context
,
11755 LPFC_MQ_RING_SIZE_32
);
11758 bf_set(lpfc_mq_context_ring_size
,
11759 &mq_create_ext
->u
.request
.context
,
11760 LPFC_MQ_RING_SIZE_64
);
11763 bf_set(lpfc_mq_context_ring_size
,
11764 &mq_create_ext
->u
.request
.context
,
11765 LPFC_MQ_RING_SIZE_128
);
11768 list_for_each_entry(dmabuf
, &mq
->page_list
, list
) {
11769 memset(dmabuf
->virt
, 0, hw_page_size
);
11770 mq_create_ext
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
11771 putPaddrLow(dmabuf
->phys
);
11772 mq_create_ext
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
11773 putPaddrHigh(dmabuf
->phys
);
11775 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
11776 mq
->queue_id
= bf_get(lpfc_mbx_mq_create_q_id
,
11777 &mq_create_ext
->u
.response
);
11778 if (rc
!= MBX_SUCCESS
) {
11779 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
11780 "2795 MQ_CREATE_EXT failed with "
11781 "status x%x. Failback to MQ_CREATE.\n",
11783 lpfc_mq_create_fb_init(phba
, mq
, mbox
, cq
);
11784 mq_create
= &mbox
->u
.mqe
.un
.mq_create
;
11785 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
11786 shdr
= (union lpfc_sli4_cfg_shdr
*) &mq_create
->header
.cfg_shdr
;
11787 mq
->queue_id
= bf_get(lpfc_mbx_mq_create_q_id
,
11788 &mq_create
->u
.response
);
11791 /* The IOCTL status is embedded in the mailbox subheader. */
11792 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
11793 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
11794 if (shdr_status
|| shdr_add_status
|| rc
) {
11795 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11796 "2502 MQ_CREATE mailbox failed with "
11797 "status x%x add_status x%x, mbx status x%x\n",
11798 shdr_status
, shdr_add_status
, rc
);
11802 if (mq
->queue_id
== 0xFFFF) {
11806 mq
->type
= LPFC_MQ
;
11807 mq
->assoc_qid
= cq
->queue_id
;
11808 mq
->subtype
= subtype
;
11809 mq
->host_index
= 0;
11812 /* link the mq onto the parent cq child list */
11813 list_add_tail(&mq
->list
, &cq
->child_list
);
11815 mempool_free(mbox
, phba
->mbox_mem_pool
);
11820 * lpfc_wq_create - Create a Work Queue on the HBA
11821 * @phba: HBA structure that indicates port to create a queue on.
11822 * @wq: The queue structure to use to create the work queue.
11823 * @cq: The completion queue to bind this work queue to.
11824 * @subtype: The subtype of the work queue indicating its functionality.
11826 * This function creates a work queue, as detailed in @wq, on a port, described
11827 * by @phba by sending a WQ_CREATE mailbox command to the HBA.
11829 * The @phba struct is used to send mailbox command to HBA. The @wq struct
11830 * is used to get the entry count and entry size that are necessary to
11831 * determine the number of pages to allocate and use for this queue. The @cq
11832 * is used to indicate which completion queue to bind this work queue to. This
11833 * function will send the WQ_CREATE mailbox command to the HBA to setup the
11834 * work queue. This function is asynchronous and will wait for the mailbox
11835 * command to finish before continuing.
11837 * On success this function will return a zero. If unable to allocate enough
11838 * memory this function will return -ENOMEM. If the queue create mailbox command
11839 * fails this function will return -ENXIO.
11842 lpfc_wq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*wq
,
11843 struct lpfc_queue
*cq
, uint32_t subtype
)
11845 struct lpfc_mbx_wq_create
*wq_create
;
11846 struct lpfc_dmabuf
*dmabuf
;
11847 LPFC_MBOXQ_t
*mbox
;
11848 int rc
, length
, status
= 0;
11849 uint32_t shdr_status
, shdr_add_status
;
11850 union lpfc_sli4_cfg_shdr
*shdr
;
11851 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
11852 struct dma_address
*page
;
11854 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
11855 hw_page_size
= SLI4_PAGE_SIZE
;
11857 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
11860 length
= (sizeof(struct lpfc_mbx_wq_create
) -
11861 sizeof(struct lpfc_sli4_cfg_mhdr
));
11862 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
11863 LPFC_MBOX_OPCODE_FCOE_WQ_CREATE
,
11864 length
, LPFC_SLI4_MBX_EMBED
);
11865 wq_create
= &mbox
->u
.mqe
.un
.wq_create
;
11866 shdr
= (union lpfc_sli4_cfg_shdr
*) &wq_create
->header
.cfg_shdr
;
11867 bf_set(lpfc_mbx_wq_create_num_pages
, &wq_create
->u
.request
,
11869 bf_set(lpfc_mbx_wq_create_cq_id
, &wq_create
->u
.request
,
11871 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
11872 phba
->sli4_hba
.pc_sli4_params
.wqv
);
11873 if (phba
->sli4_hba
.pc_sli4_params
.wqv
== LPFC_Q_CREATE_VERSION_1
) {
11874 bf_set(lpfc_mbx_wq_create_wqe_count
, &wq_create
->u
.request_1
,
11876 switch (wq
->entry_size
) {
11879 bf_set(lpfc_mbx_wq_create_wqe_size
,
11880 &wq_create
->u
.request_1
,
11881 LPFC_WQ_WQE_SIZE_64
);
11884 bf_set(lpfc_mbx_wq_create_wqe_size
,
11885 &wq_create
->u
.request_1
,
11886 LPFC_WQ_WQE_SIZE_128
);
11889 bf_set(lpfc_mbx_wq_create_page_size
, &wq_create
->u
.request_1
,
11890 (PAGE_SIZE
/SLI4_PAGE_SIZE
));
11891 page
= wq_create
->u
.request_1
.page
;
11893 page
= wq_create
->u
.request
.page
;
11895 list_for_each_entry(dmabuf
, &wq
->page_list
, list
) {
11896 memset(dmabuf
->virt
, 0, hw_page_size
);
11897 page
[dmabuf
->buffer_tag
].addr_lo
= putPaddrLow(dmabuf
->phys
);
11898 page
[dmabuf
->buffer_tag
].addr_hi
= putPaddrHigh(dmabuf
->phys
);
11900 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
11901 /* The IOCTL status is embedded in the mailbox subheader. */
11902 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
11903 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
11904 if (shdr_status
|| shdr_add_status
|| rc
) {
11905 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11906 "2503 WQ_CREATE mailbox failed with "
11907 "status x%x add_status x%x, mbx status x%x\n",
11908 shdr_status
, shdr_add_status
, rc
);
11912 wq
->queue_id
= bf_get(lpfc_mbx_wq_create_q_id
, &wq_create
->u
.response
);
11913 if (wq
->queue_id
== 0xFFFF) {
11917 wq
->type
= LPFC_WQ
;
11918 wq
->assoc_qid
= cq
->queue_id
;
11919 wq
->subtype
= subtype
;
11920 wq
->host_index
= 0;
11923 /* link the wq onto the parent cq child list */
11924 list_add_tail(&wq
->list
, &cq
->child_list
);
11926 mempool_free(mbox
, phba
->mbox_mem_pool
);
11931 * lpfc_rq_create - Create a Receive Queue on the HBA
11932 * @phba: HBA structure that indicates port to create a queue on.
11933 * @hrq: The queue structure to use to create the header receive queue.
11934 * @drq: The queue structure to use to create the data receive queue.
11935 * @cq: The completion queue to bind this work queue to.
11937 * This function creates a receive buffer queue pair , as detailed in @hrq and
11938 * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command
11941 * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq
11942 * struct is used to get the entry count that is necessary to determine the
11943 * number of pages to use for this queue. The @cq is used to indicate which
11944 * completion queue to bind received buffers that are posted to these queues to.
11945 * This function will send the RQ_CREATE mailbox command to the HBA to setup the
11946 * receive queue pair. This function is asynchronous and will wait for the
11947 * mailbox command to finish before continuing.
11949 * On success this function will return a zero. If unable to allocate enough
11950 * memory this function will return -ENOMEM. If the queue create mailbox command
11951 * fails this function will return -ENXIO.
11954 lpfc_rq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*hrq
,
11955 struct lpfc_queue
*drq
, struct lpfc_queue
*cq
, uint32_t subtype
)
11957 struct lpfc_mbx_rq_create
*rq_create
;
11958 struct lpfc_dmabuf
*dmabuf
;
11959 LPFC_MBOXQ_t
*mbox
;
11960 int rc
, length
, status
= 0;
11961 uint32_t shdr_status
, shdr_add_status
;
11962 union lpfc_sli4_cfg_shdr
*shdr
;
11963 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
11965 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
11966 hw_page_size
= SLI4_PAGE_SIZE
;
11968 if (hrq
->entry_count
!= drq
->entry_count
)
11970 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
11973 length
= (sizeof(struct lpfc_mbx_rq_create
) -
11974 sizeof(struct lpfc_sli4_cfg_mhdr
));
11975 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
11976 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE
,
11977 length
, LPFC_SLI4_MBX_EMBED
);
11978 rq_create
= &mbox
->u
.mqe
.un
.rq_create
;
11979 shdr
= (union lpfc_sli4_cfg_shdr
*) &rq_create
->header
.cfg_shdr
;
11980 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
11981 phba
->sli4_hba
.pc_sli4_params
.rqv
);
11982 if (phba
->sli4_hba
.pc_sli4_params
.rqv
== LPFC_Q_CREATE_VERSION_1
) {
11983 bf_set(lpfc_rq_context_rqe_count_1
,
11984 &rq_create
->u
.request
.context
,
11986 rq_create
->u
.request
.context
.buffer_size
= LPFC_HDR_BUF_SIZE
;
11987 bf_set(lpfc_rq_context_rqe_size
,
11988 &rq_create
->u
.request
.context
,
11990 bf_set(lpfc_rq_context_page_size
,
11991 &rq_create
->u
.request
.context
,
11992 (PAGE_SIZE
/SLI4_PAGE_SIZE
));
11994 switch (hrq
->entry_count
) {
11996 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11997 "2535 Unsupported RQ count. (%d)\n",
11999 if (hrq
->entry_count
< 512)
12001 /* otherwise default to smallest count (drop through) */
12003 bf_set(lpfc_rq_context_rqe_count
,
12004 &rq_create
->u
.request
.context
,
12005 LPFC_RQ_RING_SIZE_512
);
12008 bf_set(lpfc_rq_context_rqe_count
,
12009 &rq_create
->u
.request
.context
,
12010 LPFC_RQ_RING_SIZE_1024
);
12013 bf_set(lpfc_rq_context_rqe_count
,
12014 &rq_create
->u
.request
.context
,
12015 LPFC_RQ_RING_SIZE_2048
);
12018 bf_set(lpfc_rq_context_rqe_count
,
12019 &rq_create
->u
.request
.context
,
12020 LPFC_RQ_RING_SIZE_4096
);
12023 bf_set(lpfc_rq_context_buf_size
, &rq_create
->u
.request
.context
,
12024 LPFC_HDR_BUF_SIZE
);
12026 bf_set(lpfc_rq_context_cq_id
, &rq_create
->u
.request
.context
,
12028 bf_set(lpfc_mbx_rq_create_num_pages
, &rq_create
->u
.request
,
12030 list_for_each_entry(dmabuf
, &hrq
->page_list
, list
) {
12031 memset(dmabuf
->virt
, 0, hw_page_size
);
12032 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
12033 putPaddrLow(dmabuf
->phys
);
12034 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
12035 putPaddrHigh(dmabuf
->phys
);
12037 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12038 /* The IOCTL status is embedded in the mailbox subheader. */
12039 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12040 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12041 if (shdr_status
|| shdr_add_status
|| rc
) {
12042 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12043 "2504 RQ_CREATE mailbox failed with "
12044 "status x%x add_status x%x, mbx status x%x\n",
12045 shdr_status
, shdr_add_status
, rc
);
12049 hrq
->queue_id
= bf_get(lpfc_mbx_rq_create_q_id
, &rq_create
->u
.response
);
12050 if (hrq
->queue_id
== 0xFFFF) {
12054 hrq
->type
= LPFC_HRQ
;
12055 hrq
->assoc_qid
= cq
->queue_id
;
12056 hrq
->subtype
= subtype
;
12057 hrq
->host_index
= 0;
12058 hrq
->hba_index
= 0;
12060 /* now create the data queue */
12061 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
12062 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE
,
12063 length
, LPFC_SLI4_MBX_EMBED
);
12064 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
12065 phba
->sli4_hba
.pc_sli4_params
.rqv
);
12066 if (phba
->sli4_hba
.pc_sli4_params
.rqv
== LPFC_Q_CREATE_VERSION_1
) {
12067 bf_set(lpfc_rq_context_rqe_count_1
,
12068 &rq_create
->u
.request
.context
, hrq
->entry_count
);
12069 rq_create
->u
.request
.context
.buffer_size
= LPFC_DATA_BUF_SIZE
;
12070 bf_set(lpfc_rq_context_rqe_size
, &rq_create
->u
.request
.context
,
12072 bf_set(lpfc_rq_context_page_size
, &rq_create
->u
.request
.context
,
12073 (PAGE_SIZE
/SLI4_PAGE_SIZE
));
12075 switch (drq
->entry_count
) {
12077 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12078 "2536 Unsupported RQ count. (%d)\n",
12080 if (drq
->entry_count
< 512)
12082 /* otherwise default to smallest count (drop through) */
12084 bf_set(lpfc_rq_context_rqe_count
,
12085 &rq_create
->u
.request
.context
,
12086 LPFC_RQ_RING_SIZE_512
);
12089 bf_set(lpfc_rq_context_rqe_count
,
12090 &rq_create
->u
.request
.context
,
12091 LPFC_RQ_RING_SIZE_1024
);
12094 bf_set(lpfc_rq_context_rqe_count
,
12095 &rq_create
->u
.request
.context
,
12096 LPFC_RQ_RING_SIZE_2048
);
12099 bf_set(lpfc_rq_context_rqe_count
,
12100 &rq_create
->u
.request
.context
,
12101 LPFC_RQ_RING_SIZE_4096
);
12104 bf_set(lpfc_rq_context_buf_size
, &rq_create
->u
.request
.context
,
12105 LPFC_DATA_BUF_SIZE
);
12107 bf_set(lpfc_rq_context_cq_id
, &rq_create
->u
.request
.context
,
12109 bf_set(lpfc_mbx_rq_create_num_pages
, &rq_create
->u
.request
,
12111 list_for_each_entry(dmabuf
, &drq
->page_list
, list
) {
12112 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
12113 putPaddrLow(dmabuf
->phys
);
12114 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
12115 putPaddrHigh(dmabuf
->phys
);
12117 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12118 /* The IOCTL status is embedded in the mailbox subheader. */
12119 shdr
= (union lpfc_sli4_cfg_shdr
*) &rq_create
->header
.cfg_shdr
;
12120 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12121 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12122 if (shdr_status
|| shdr_add_status
|| rc
) {
12126 drq
->queue_id
= bf_get(lpfc_mbx_rq_create_q_id
, &rq_create
->u
.response
);
12127 if (drq
->queue_id
== 0xFFFF) {
12131 drq
->type
= LPFC_DRQ
;
12132 drq
->assoc_qid
= cq
->queue_id
;
12133 drq
->subtype
= subtype
;
12134 drq
->host_index
= 0;
12135 drq
->hba_index
= 0;
12137 /* link the header and data RQs onto the parent cq child list */
12138 list_add_tail(&hrq
->list
, &cq
->child_list
);
12139 list_add_tail(&drq
->list
, &cq
->child_list
);
12142 mempool_free(mbox
, phba
->mbox_mem_pool
);
12147 * lpfc_eq_destroy - Destroy an event Queue on the HBA
12148 * @eq: The queue structure associated with the queue to destroy.
12150 * This function destroys a queue, as detailed in @eq by sending an mailbox
12151 * command, specific to the type of queue, to the HBA.
12153 * The @eq struct is used to get the queue ID of the queue to destroy.
12155 * On success this function will return a zero. If the queue destroy mailbox
12156 * command fails this function will return -ENXIO.
12159 lpfc_eq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
)
12161 LPFC_MBOXQ_t
*mbox
;
12162 int rc
, length
, status
= 0;
12163 uint32_t shdr_status
, shdr_add_status
;
12164 union lpfc_sli4_cfg_shdr
*shdr
;
12168 mbox
= mempool_alloc(eq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
12171 length
= (sizeof(struct lpfc_mbx_eq_destroy
) -
12172 sizeof(struct lpfc_sli4_cfg_mhdr
));
12173 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
12174 LPFC_MBOX_OPCODE_EQ_DESTROY
,
12175 length
, LPFC_SLI4_MBX_EMBED
);
12176 bf_set(lpfc_mbx_eq_destroy_q_id
, &mbox
->u
.mqe
.un
.eq_destroy
.u
.request
,
12178 mbox
->vport
= eq
->phba
->pport
;
12179 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
12181 rc
= lpfc_sli_issue_mbox(eq
->phba
, mbox
, MBX_POLL
);
12182 /* The IOCTL status is embedded in the mailbox subheader. */
12183 shdr
= (union lpfc_sli4_cfg_shdr
*)
12184 &mbox
->u
.mqe
.un
.eq_destroy
.header
.cfg_shdr
;
12185 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12186 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12187 if (shdr_status
|| shdr_add_status
|| rc
) {
12188 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12189 "2505 EQ_DESTROY mailbox failed with "
12190 "status x%x add_status x%x, mbx status x%x\n",
12191 shdr_status
, shdr_add_status
, rc
);
12195 /* Remove eq from any list */
12196 list_del_init(&eq
->list
);
12197 mempool_free(mbox
, eq
->phba
->mbox_mem_pool
);
12202 * lpfc_cq_destroy - Destroy a Completion Queue on the HBA
12203 * @cq: The queue structure associated with the queue to destroy.
12205 * This function destroys a queue, as detailed in @cq by sending an mailbox
12206 * command, specific to the type of queue, to the HBA.
12208 * The @cq struct is used to get the queue ID of the queue to destroy.
12210 * On success this function will return a zero. If the queue destroy mailbox
12211 * command fails this function will return -ENXIO.
12214 lpfc_cq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
)
12216 LPFC_MBOXQ_t
*mbox
;
12217 int rc
, length
, status
= 0;
12218 uint32_t shdr_status
, shdr_add_status
;
12219 union lpfc_sli4_cfg_shdr
*shdr
;
12223 mbox
= mempool_alloc(cq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
12226 length
= (sizeof(struct lpfc_mbx_cq_destroy
) -
12227 sizeof(struct lpfc_sli4_cfg_mhdr
));
12228 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
12229 LPFC_MBOX_OPCODE_CQ_DESTROY
,
12230 length
, LPFC_SLI4_MBX_EMBED
);
12231 bf_set(lpfc_mbx_cq_destroy_q_id
, &mbox
->u
.mqe
.un
.cq_destroy
.u
.request
,
12233 mbox
->vport
= cq
->phba
->pport
;
12234 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
12235 rc
= lpfc_sli_issue_mbox(cq
->phba
, mbox
, MBX_POLL
);
12236 /* The IOCTL status is embedded in the mailbox subheader. */
12237 shdr
= (union lpfc_sli4_cfg_shdr
*)
12238 &mbox
->u
.mqe
.un
.wq_create
.header
.cfg_shdr
;
12239 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12240 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12241 if (shdr_status
|| shdr_add_status
|| rc
) {
12242 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12243 "2506 CQ_DESTROY mailbox failed with "
12244 "status x%x add_status x%x, mbx status x%x\n",
12245 shdr_status
, shdr_add_status
, rc
);
12248 /* Remove cq from any list */
12249 list_del_init(&cq
->list
);
12250 mempool_free(mbox
, cq
->phba
->mbox_mem_pool
);
12255 * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA
12256 * @qm: The queue structure associated with the queue to destroy.
12258 * This function destroys a queue, as detailed in @mq by sending an mailbox
12259 * command, specific to the type of queue, to the HBA.
12261 * The @mq struct is used to get the queue ID of the queue to destroy.
12263 * On success this function will return a zero. If the queue destroy mailbox
12264 * command fails this function will return -ENXIO.
12267 lpfc_mq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
)
12269 LPFC_MBOXQ_t
*mbox
;
12270 int rc
, length
, status
= 0;
12271 uint32_t shdr_status
, shdr_add_status
;
12272 union lpfc_sli4_cfg_shdr
*shdr
;
12276 mbox
= mempool_alloc(mq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
12279 length
= (sizeof(struct lpfc_mbx_mq_destroy
) -
12280 sizeof(struct lpfc_sli4_cfg_mhdr
));
12281 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
12282 LPFC_MBOX_OPCODE_MQ_DESTROY
,
12283 length
, LPFC_SLI4_MBX_EMBED
);
12284 bf_set(lpfc_mbx_mq_destroy_q_id
, &mbox
->u
.mqe
.un
.mq_destroy
.u
.request
,
12286 mbox
->vport
= mq
->phba
->pport
;
12287 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
12288 rc
= lpfc_sli_issue_mbox(mq
->phba
, mbox
, MBX_POLL
);
12289 /* The IOCTL status is embedded in the mailbox subheader. */
12290 shdr
= (union lpfc_sli4_cfg_shdr
*)
12291 &mbox
->u
.mqe
.un
.mq_destroy
.header
.cfg_shdr
;
12292 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12293 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12294 if (shdr_status
|| shdr_add_status
|| rc
) {
12295 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12296 "2507 MQ_DESTROY mailbox failed with "
12297 "status x%x add_status x%x, mbx status x%x\n",
12298 shdr_status
, shdr_add_status
, rc
);
12301 /* Remove mq from any list */
12302 list_del_init(&mq
->list
);
12303 mempool_free(mbox
, mq
->phba
->mbox_mem_pool
);
12308 * lpfc_wq_destroy - Destroy a Work Queue on the HBA
12309 * @wq: The queue structure associated with the queue to destroy.
12311 * This function destroys a queue, as detailed in @wq by sending an mailbox
12312 * command, specific to the type of queue, to the HBA.
12314 * The @wq struct is used to get the queue ID of the queue to destroy.
12316 * On success this function will return a zero. If the queue destroy mailbox
12317 * command fails this function will return -ENXIO.
12320 lpfc_wq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*wq
)
12322 LPFC_MBOXQ_t
*mbox
;
12323 int rc
, length
, status
= 0;
12324 uint32_t shdr_status
, shdr_add_status
;
12325 union lpfc_sli4_cfg_shdr
*shdr
;
12329 mbox
= mempool_alloc(wq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
12332 length
= (sizeof(struct lpfc_mbx_wq_destroy
) -
12333 sizeof(struct lpfc_sli4_cfg_mhdr
));
12334 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
12335 LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY
,
12336 length
, LPFC_SLI4_MBX_EMBED
);
12337 bf_set(lpfc_mbx_wq_destroy_q_id
, &mbox
->u
.mqe
.un
.wq_destroy
.u
.request
,
12339 mbox
->vport
= wq
->phba
->pport
;
12340 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
12341 rc
= lpfc_sli_issue_mbox(wq
->phba
, mbox
, MBX_POLL
);
12342 shdr
= (union lpfc_sli4_cfg_shdr
*)
12343 &mbox
->u
.mqe
.un
.wq_destroy
.header
.cfg_shdr
;
12344 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12345 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12346 if (shdr_status
|| shdr_add_status
|| rc
) {
12347 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12348 "2508 WQ_DESTROY mailbox failed with "
12349 "status x%x add_status x%x, mbx status x%x\n",
12350 shdr_status
, shdr_add_status
, rc
);
12353 /* Remove wq from any list */
12354 list_del_init(&wq
->list
);
12355 mempool_free(mbox
, wq
->phba
->mbox_mem_pool
);
12360 * lpfc_rq_destroy - Destroy a Receive Queue on the HBA
12361 * @rq: The queue structure associated with the queue to destroy.
12363 * This function destroys a queue, as detailed in @rq by sending an mailbox
12364 * command, specific to the type of queue, to the HBA.
12366 * The @rq struct is used to get the queue ID of the queue to destroy.
12368 * On success this function will return a zero. If the queue destroy mailbox
12369 * command fails this function will return -ENXIO.
12372 lpfc_rq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*hrq
,
12373 struct lpfc_queue
*drq
)
12375 LPFC_MBOXQ_t
*mbox
;
12376 int rc
, length
, status
= 0;
12377 uint32_t shdr_status
, shdr_add_status
;
12378 union lpfc_sli4_cfg_shdr
*shdr
;
12382 mbox
= mempool_alloc(hrq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
12385 length
= (sizeof(struct lpfc_mbx_rq_destroy
) -
12386 sizeof(struct lpfc_sli4_cfg_mhdr
));
12387 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
12388 LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY
,
12389 length
, LPFC_SLI4_MBX_EMBED
);
12390 bf_set(lpfc_mbx_rq_destroy_q_id
, &mbox
->u
.mqe
.un
.rq_destroy
.u
.request
,
12392 mbox
->vport
= hrq
->phba
->pport
;
12393 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
12394 rc
= lpfc_sli_issue_mbox(hrq
->phba
, mbox
, MBX_POLL
);
12395 /* The IOCTL status is embedded in the mailbox subheader. */
12396 shdr
= (union lpfc_sli4_cfg_shdr
*)
12397 &mbox
->u
.mqe
.un
.rq_destroy
.header
.cfg_shdr
;
12398 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12399 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12400 if (shdr_status
|| shdr_add_status
|| rc
) {
12401 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12402 "2509 RQ_DESTROY mailbox failed with "
12403 "status x%x add_status x%x, mbx status x%x\n",
12404 shdr_status
, shdr_add_status
, rc
);
12405 if (rc
!= MBX_TIMEOUT
)
12406 mempool_free(mbox
, hrq
->phba
->mbox_mem_pool
);
12409 bf_set(lpfc_mbx_rq_destroy_q_id
, &mbox
->u
.mqe
.un
.rq_destroy
.u
.request
,
12411 rc
= lpfc_sli_issue_mbox(drq
->phba
, mbox
, MBX_POLL
);
12412 shdr
= (union lpfc_sli4_cfg_shdr
*)
12413 &mbox
->u
.mqe
.un
.rq_destroy
.header
.cfg_shdr
;
12414 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12415 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12416 if (shdr_status
|| shdr_add_status
|| rc
) {
12417 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12418 "2510 RQ_DESTROY mailbox failed with "
12419 "status x%x add_status x%x, mbx status x%x\n",
12420 shdr_status
, shdr_add_status
, rc
);
12423 list_del_init(&hrq
->list
);
12424 list_del_init(&drq
->list
);
12425 mempool_free(mbox
, hrq
->phba
->mbox_mem_pool
);
12430 * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA
12431 * @phba: The virtual port for which this call being executed.
12432 * @pdma_phys_addr0: Physical address of the 1st SGL page.
12433 * @pdma_phys_addr1: Physical address of the 2nd SGL page.
12434 * @xritag: the xritag that ties this io to the SGL pages.
12436 * This routine will post the sgl pages for the IO that has the xritag
12437 * that is in the iocbq structure. The xritag is assigned during iocbq
12438 * creation and persists for as long as the driver is loaded.
12439 * if the caller has fewer than 256 scatter gather segments to map then
12440 * pdma_phys_addr1 should be 0.
12441 * If the caller needs to map more than 256 scatter gather segment then
12442 * pdma_phys_addr1 should be a valid physical address.
12443 * physical address for SGLs must be 64 byte aligned.
12444 * If you are going to map 2 SGL's then the first one must have 256 entries
12445 * the second sgl can have between 1 and 256 entries.
12449 * -ENXIO, -ENOMEM - Failure
12452 lpfc_sli4_post_sgl(struct lpfc_hba
*phba
,
12453 dma_addr_t pdma_phys_addr0
,
12454 dma_addr_t pdma_phys_addr1
,
12457 struct lpfc_mbx_post_sgl_pages
*post_sgl_pages
;
12458 LPFC_MBOXQ_t
*mbox
;
12460 uint32_t shdr_status
, shdr_add_status
;
12462 union lpfc_sli4_cfg_shdr
*shdr
;
12464 if (xritag
== NO_XRI
) {
12465 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12466 "0364 Invalid param:\n");
12470 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12474 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
12475 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
,
12476 sizeof(struct lpfc_mbx_post_sgl_pages
) -
12477 sizeof(struct lpfc_sli4_cfg_mhdr
), LPFC_SLI4_MBX_EMBED
);
12479 post_sgl_pages
= (struct lpfc_mbx_post_sgl_pages
*)
12480 &mbox
->u
.mqe
.un
.post_sgl_pages
;
12481 bf_set(lpfc_post_sgl_pages_xri
, post_sgl_pages
, xritag
);
12482 bf_set(lpfc_post_sgl_pages_xricnt
, post_sgl_pages
, 1);
12484 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg0_addr_lo
=
12485 cpu_to_le32(putPaddrLow(pdma_phys_addr0
));
12486 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg0_addr_hi
=
12487 cpu_to_le32(putPaddrHigh(pdma_phys_addr0
));
12489 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg1_addr_lo
=
12490 cpu_to_le32(putPaddrLow(pdma_phys_addr1
));
12491 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg1_addr_hi
=
12492 cpu_to_le32(putPaddrHigh(pdma_phys_addr1
));
12493 if (!phba
->sli4_hba
.intr_enable
)
12494 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12496 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
12497 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
12499 /* The IOCTL status is embedded in the mailbox subheader. */
12500 shdr
= (union lpfc_sli4_cfg_shdr
*) &post_sgl_pages
->header
.cfg_shdr
;
12501 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12502 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12503 if (rc
!= MBX_TIMEOUT
)
12504 mempool_free(mbox
, phba
->mbox_mem_pool
);
12505 if (shdr_status
|| shdr_add_status
|| rc
) {
12506 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12507 "2511 POST_SGL mailbox failed with "
12508 "status x%x add_status x%x, mbx status x%x\n",
12509 shdr_status
, shdr_add_status
, rc
);
12516 * lpfc_sli4_alloc_xri - Get an available rpi in the device's range
12517 * @phba: pointer to lpfc hba data structure.
12519 * This routine is invoked to post rpi header templates to the
12520 * HBA consistent with the SLI-4 interface spec. This routine
12521 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
12522 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
12525 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful
12526 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
12529 lpfc_sli4_alloc_xri(struct lpfc_hba
*phba
)
12534 * Fetch the next logical xri. Because this index is logical,
12535 * the driver starts at 0 each time.
12537 spin_lock_irq(&phba
->hbalock
);
12538 xri
= find_next_zero_bit(phba
->sli4_hba
.xri_bmask
,
12539 phba
->sli4_hba
.max_cfg_param
.max_xri
, 0);
12540 if (xri
>= phba
->sli4_hba
.max_cfg_param
.max_xri
) {
12541 spin_unlock_irq(&phba
->hbalock
);
12544 set_bit(xri
, phba
->sli4_hba
.xri_bmask
);
12545 phba
->sli4_hba
.max_cfg_param
.xri_used
++;
12546 phba
->sli4_hba
.xri_count
++;
12549 spin_unlock_irq(&phba
->hbalock
);
12554 * lpfc_sli4_free_xri - Release an xri for reuse.
12555 * @phba: pointer to lpfc hba data structure.
12557 * This routine is invoked to release an xri to the pool of
12558 * available rpis maintained by the driver.
12561 __lpfc_sli4_free_xri(struct lpfc_hba
*phba
, int xri
)
12563 if (test_and_clear_bit(xri
, phba
->sli4_hba
.xri_bmask
)) {
12564 phba
->sli4_hba
.xri_count
--;
12565 phba
->sli4_hba
.max_cfg_param
.xri_used
--;
12570 * lpfc_sli4_free_xri - Release an xri for reuse.
12571 * @phba: pointer to lpfc hba data structure.
12573 * This routine is invoked to release an xri to the pool of
12574 * available rpis maintained by the driver.
12577 lpfc_sli4_free_xri(struct lpfc_hba
*phba
, int xri
)
12579 spin_lock_irq(&phba
->hbalock
);
12580 __lpfc_sli4_free_xri(phba
, xri
);
12581 spin_unlock_irq(&phba
->hbalock
);
12585 * lpfc_sli4_next_xritag - Get an xritag for the io
12586 * @phba: Pointer to HBA context object.
12588 * This function gets an xritag for the iocb. If there is no unused xritag
12589 * it will return 0xffff.
12590 * The function returns the allocated xritag if successful, else returns zero.
12591 * Zero is not a valid xritag.
12592 * The caller is not required to hold any lock.
12595 lpfc_sli4_next_xritag(struct lpfc_hba
*phba
)
12597 uint16_t xri_index
;
12599 xri_index
= lpfc_sli4_alloc_xri(phba
);
12600 if (xri_index
!= NO_XRI
)
12603 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12604 "2004 Failed to allocate XRI.last XRITAG is %d"
12605 " Max XRI is %d, Used XRI is %d\n",
12607 phba
->sli4_hba
.max_cfg_param
.max_xri
,
12608 phba
->sli4_hba
.max_cfg_param
.xri_used
);
12613 * lpfc_sli4_post_els_sgl_list - post a block of ELS sgls to the port.
12614 * @phba: pointer to lpfc hba data structure.
12616 * This routine is invoked to post a block of driver's sgl pages to the
12617 * HBA using non-embedded mailbox command. No Lock is held. This routine
12618 * is only called when the driver is loading and after all IO has been
12622 lpfc_sli4_post_els_sgl_list(struct lpfc_hba
*phba
)
12624 struct lpfc_sglq
*sglq_entry
;
12625 struct lpfc_mbx_post_uembed_sgl_page1
*sgl
;
12626 struct sgl_page_pairs
*sgl_pg_pairs
;
12628 LPFC_MBOXQ_t
*mbox
;
12629 uint32_t reqlen
, alloclen
, pg_pairs
;
12631 uint16_t xritag_start
= 0, lxri
= 0;
12632 int els_xri_cnt
, rc
= 0;
12633 uint32_t shdr_status
, shdr_add_status
;
12634 union lpfc_sli4_cfg_shdr
*shdr
;
12636 /* The number of sgls to be posted */
12637 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
12639 reqlen
= els_xri_cnt
* sizeof(struct sgl_page_pairs
) +
12640 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
12641 if (reqlen
> SLI4_PAGE_SIZE
) {
12642 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
12643 "2559 Block sgl registration required DMA "
12644 "size (%d) great than a page\n", reqlen
);
12647 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12651 /* Allocate DMA memory and set up the non-embedded mailbox command */
12652 alloclen
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
12653 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
, reqlen
,
12654 LPFC_SLI4_MBX_NEMBED
);
12656 if (alloclen
< reqlen
) {
12657 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12658 "0285 Allocated DMA memory size (%d) is "
12659 "less than the requested DMA memory "
12660 "size (%d)\n", alloclen
, reqlen
);
12661 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
12664 /* Set up the SGL pages in the non-embedded DMA pages */
12665 viraddr
= mbox
->sge_array
->addr
[0];
12666 sgl
= (struct lpfc_mbx_post_uembed_sgl_page1
*)viraddr
;
12667 sgl_pg_pairs
= &sgl
->sgl_pg_pairs
;
12669 for (pg_pairs
= 0; pg_pairs
< els_xri_cnt
; pg_pairs
++) {
12670 sglq_entry
= phba
->sli4_hba
.lpfc_els_sgl_array
[pg_pairs
];
12673 * Assign the sglq a physical xri only if the driver has not
12674 * initialized those resources. A port reset only needs
12675 * the sglq's posted.
12677 if (bf_get(lpfc_xri_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) !=
12678 LPFC_XRI_RSRC_RDY
) {
12679 lxri
= lpfc_sli4_next_xritag(phba
);
12680 if (lxri
== NO_XRI
) {
12681 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
12684 sglq_entry
->sli4_lxritag
= lxri
;
12685 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
12688 /* Set up the sge entry */
12689 sgl_pg_pairs
->sgl_pg0_addr_lo
=
12690 cpu_to_le32(putPaddrLow(sglq_entry
->phys
));
12691 sgl_pg_pairs
->sgl_pg0_addr_hi
=
12692 cpu_to_le32(putPaddrHigh(sglq_entry
->phys
));
12693 sgl_pg_pairs
->sgl_pg1_addr_lo
=
12694 cpu_to_le32(putPaddrLow(0));
12695 sgl_pg_pairs
->sgl_pg1_addr_hi
=
12696 cpu_to_le32(putPaddrHigh(0));
12698 /* Keep the first xritag on the list */
12700 xritag_start
= sglq_entry
->sli4_xritag
;
12704 /* Complete initialization and perform endian conversion. */
12705 bf_set(lpfc_post_sgl_pages_xri
, sgl
, xritag_start
);
12706 bf_set(lpfc_post_sgl_pages_xricnt
, sgl
, els_xri_cnt
);
12707 sgl
->word0
= cpu_to_le32(sgl
->word0
);
12708 if (!phba
->sli4_hba
.intr_enable
)
12709 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12711 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
12712 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
12714 shdr
= (union lpfc_sli4_cfg_shdr
*) &sgl
->cfg_shdr
;
12715 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12716 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12717 if (rc
!= MBX_TIMEOUT
)
12718 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
12719 if (shdr_status
|| shdr_add_status
|| rc
) {
12720 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12721 "2513 POST_SGL_BLOCK mailbox command failed "
12722 "status x%x add_status x%x mbx status x%x\n",
12723 shdr_status
, shdr_add_status
, rc
);
12728 bf_set(lpfc_xri_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
12729 LPFC_XRI_RSRC_RDY
);
12734 * lpfc_sli4_post_els_sgl_list_ext - post a block of ELS sgls to the port.
12735 * @phba: pointer to lpfc hba data structure.
12737 * This routine is invoked to post a block of driver's sgl pages to the
12738 * HBA using non-embedded mailbox command. No Lock is held. This routine
12739 * is only called when the driver is loading and after all IO has been
12743 lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba
*phba
)
12745 struct lpfc_sglq
*sglq_entry
;
12746 struct lpfc_mbx_post_uembed_sgl_page1
*sgl
;
12747 struct sgl_page_pairs
*sgl_pg_pairs
;
12749 LPFC_MBOXQ_t
*mbox
;
12750 uint32_t reqlen
, alloclen
, index
;
12752 uint16_t rsrc_start
, rsrc_size
, els_xri_cnt
;
12753 uint16_t xritag_start
= 0, lxri
= 0;
12754 struct lpfc_rsrc_blks
*rsrc_blk
;
12755 int cnt
, ttl_cnt
, rc
= 0;
12757 uint32_t shdr_status
, shdr_add_status
;
12758 union lpfc_sli4_cfg_shdr
*shdr
;
12760 /* The number of sgls to be posted */
12761 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
12763 reqlen
= els_xri_cnt
* sizeof(struct sgl_page_pairs
) +
12764 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
12765 if (reqlen
> SLI4_PAGE_SIZE
) {
12766 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
12767 "2989 Block sgl registration required DMA "
12768 "size (%d) great than a page\n", reqlen
);
12774 list_for_each_entry(rsrc_blk
, &phba
->sli4_hba
.lpfc_xri_blk_list
,
12776 rsrc_start
= rsrc_blk
->rsrc_start
;
12777 rsrc_size
= rsrc_blk
->rsrc_size
;
12779 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
12780 "3014 Working ELS Extent start %d, cnt %d\n",
12781 rsrc_start
, rsrc_size
);
12783 loop_cnt
= min(els_xri_cnt
, rsrc_size
);
12784 if (ttl_cnt
+ loop_cnt
>= els_xri_cnt
) {
12785 loop_cnt
= els_xri_cnt
- ttl_cnt
;
12786 ttl_cnt
= els_xri_cnt
;
12789 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12793 * Allocate DMA memory and set up the non-embedded mailbox
12796 alloclen
= lpfc_sli4_config(phba
, mbox
,
12797 LPFC_MBOX_SUBSYSTEM_FCOE
,
12798 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
,
12799 reqlen
, LPFC_SLI4_MBX_NEMBED
);
12800 if (alloclen
< reqlen
) {
12801 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12802 "2987 Allocated DMA memory size (%d) "
12803 "is less than the requested DMA memory "
12804 "size (%d)\n", alloclen
, reqlen
);
12805 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
12809 /* Set up the SGL pages in the non-embedded DMA pages */
12810 viraddr
= mbox
->sge_array
->addr
[0];
12811 sgl
= (struct lpfc_mbx_post_uembed_sgl_page1
*)viraddr
;
12812 sgl_pg_pairs
= &sgl
->sgl_pg_pairs
;
12815 * The starting resource may not begin at zero. Control
12816 * the loop variants via the block resource parameters,
12817 * but handle the sge pointers with a zero-based index
12818 * that doesn't get reset per loop pass.
12820 for (index
= rsrc_start
;
12821 index
< rsrc_start
+ loop_cnt
;
12823 sglq_entry
= phba
->sli4_hba
.lpfc_els_sgl_array
[cnt
];
12826 * Assign the sglq a physical xri only if the driver
12827 * has not initialized those resources. A port reset
12828 * only needs the sglq's posted.
12830 if (bf_get(lpfc_xri_rsrc_rdy
,
12831 &phba
->sli4_hba
.sli4_flags
) !=
12832 LPFC_XRI_RSRC_RDY
) {
12833 lxri
= lpfc_sli4_next_xritag(phba
);
12834 if (lxri
== NO_XRI
) {
12835 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
12839 sglq_entry
->sli4_lxritag
= lxri
;
12840 sglq_entry
->sli4_xritag
=
12841 phba
->sli4_hba
.xri_ids
[lxri
];
12844 /* Set up the sge entry */
12845 sgl_pg_pairs
->sgl_pg0_addr_lo
=
12846 cpu_to_le32(putPaddrLow(sglq_entry
->phys
));
12847 sgl_pg_pairs
->sgl_pg0_addr_hi
=
12848 cpu_to_le32(putPaddrHigh(sglq_entry
->phys
));
12849 sgl_pg_pairs
->sgl_pg1_addr_lo
=
12850 cpu_to_le32(putPaddrLow(0));
12851 sgl_pg_pairs
->sgl_pg1_addr_hi
=
12852 cpu_to_le32(putPaddrHigh(0));
12854 /* Track the starting physical XRI for the mailbox. */
12855 if (index
== rsrc_start
)
12856 xritag_start
= sglq_entry
->sli4_xritag
;
12861 /* Complete initialization and perform endian conversion. */
12862 rsrc_blk
->rsrc_used
+= loop_cnt
;
12863 bf_set(lpfc_post_sgl_pages_xri
, sgl
, xritag_start
);
12864 bf_set(lpfc_post_sgl_pages_xricnt
, sgl
, loop_cnt
);
12865 sgl
->word0
= cpu_to_le32(sgl
->word0
);
12867 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
12868 "3015 Post ELS Extent SGL, start %d, "
12869 "cnt %d, used %d\n",
12870 xritag_start
, loop_cnt
, rsrc_blk
->rsrc_used
);
12871 if (!phba
->sli4_hba
.intr_enable
)
12872 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12874 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
12875 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
12877 shdr
= (union lpfc_sli4_cfg_shdr
*) &sgl
->cfg_shdr
;
12878 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
12880 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
12882 if (rc
!= MBX_TIMEOUT
)
12883 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
12884 if (shdr_status
|| shdr_add_status
|| rc
) {
12885 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12886 "2988 POST_SGL_BLOCK mailbox "
12887 "command failed status x%x "
12888 "add_status x%x mbx status x%x\n",
12889 shdr_status
, shdr_add_status
, rc
);
12893 if (ttl_cnt
>= els_xri_cnt
)
12899 bf_set(lpfc_xri_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
12900 LPFC_XRI_RSRC_RDY
);
12905 * lpfc_sli4_post_scsi_sgl_block - post a block of scsi sgl list to firmware
12906 * @phba: pointer to lpfc hba data structure.
12907 * @sblist: pointer to scsi buffer list.
12908 * @count: number of scsi buffers on the list.
12910 * This routine is invoked to post a block of @count scsi sgl pages from a
12911 * SCSI buffer list @sblist to the HBA using non-embedded mailbox command.
12916 lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba
*phba
, struct list_head
*sblist
,
12919 struct lpfc_scsi_buf
*psb
;
12920 struct lpfc_mbx_post_uembed_sgl_page1
*sgl
;
12921 struct sgl_page_pairs
*sgl_pg_pairs
;
12923 LPFC_MBOXQ_t
*mbox
;
12924 uint32_t reqlen
, alloclen
, pg_pairs
;
12926 uint16_t xritag_start
= 0;
12928 uint32_t shdr_status
, shdr_add_status
;
12929 dma_addr_t pdma_phys_bpl1
;
12930 union lpfc_sli4_cfg_shdr
*shdr
;
12932 /* Calculate the requested length of the dma memory */
12933 reqlen
= cnt
* sizeof(struct sgl_page_pairs
) +
12934 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
12935 if (reqlen
> SLI4_PAGE_SIZE
) {
12936 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
12937 "0217 Block sgl registration required DMA "
12938 "size (%d) great than a page\n", reqlen
);
12941 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12943 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12944 "0283 Failed to allocate mbox cmd memory\n");
12948 /* Allocate DMA memory and set up the non-embedded mailbox command */
12949 alloclen
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
12950 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
, reqlen
,
12951 LPFC_SLI4_MBX_NEMBED
);
12953 if (alloclen
< reqlen
) {
12954 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12955 "2561 Allocated DMA memory size (%d) is "
12956 "less than the requested DMA memory "
12957 "size (%d)\n", alloclen
, reqlen
);
12958 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
12962 /* Get the first SGE entry from the non-embedded DMA memory */
12963 viraddr
= mbox
->sge_array
->addr
[0];
12965 /* Set up the SGL pages in the non-embedded DMA pages */
12966 sgl
= (struct lpfc_mbx_post_uembed_sgl_page1
*)viraddr
;
12967 sgl_pg_pairs
= &sgl
->sgl_pg_pairs
;
12970 list_for_each_entry(psb
, sblist
, list
) {
12971 /* Set up the sge entry */
12972 sgl_pg_pairs
->sgl_pg0_addr_lo
=
12973 cpu_to_le32(putPaddrLow(psb
->dma_phys_bpl
));
12974 sgl_pg_pairs
->sgl_pg0_addr_hi
=
12975 cpu_to_le32(putPaddrHigh(psb
->dma_phys_bpl
));
12976 if (phba
->cfg_sg_dma_buf_size
> SGL_PAGE_SIZE
)
12977 pdma_phys_bpl1
= psb
->dma_phys_bpl
+ SGL_PAGE_SIZE
;
12979 pdma_phys_bpl1
= 0;
12980 sgl_pg_pairs
->sgl_pg1_addr_lo
=
12981 cpu_to_le32(putPaddrLow(pdma_phys_bpl1
));
12982 sgl_pg_pairs
->sgl_pg1_addr_hi
=
12983 cpu_to_le32(putPaddrHigh(pdma_phys_bpl1
));
12984 /* Keep the first xritag on the list */
12986 xritag_start
= psb
->cur_iocbq
.sli4_xritag
;
12990 bf_set(lpfc_post_sgl_pages_xri
, sgl
, xritag_start
);
12991 bf_set(lpfc_post_sgl_pages_xricnt
, sgl
, pg_pairs
);
12992 /* Perform endian conversion if necessary */
12993 sgl
->word0
= cpu_to_le32(sgl
->word0
);
12995 if (!phba
->sli4_hba
.intr_enable
)
12996 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12998 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
12999 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
13001 shdr
= (union lpfc_sli4_cfg_shdr
*) &sgl
->cfg_shdr
;
13002 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13003 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13004 if (rc
!= MBX_TIMEOUT
)
13005 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
13006 if (shdr_status
|| shdr_add_status
|| rc
) {
13007 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13008 "2564 POST_SGL_BLOCK mailbox command failed "
13009 "status x%x add_status x%x mbx status x%x\n",
13010 shdr_status
, shdr_add_status
, rc
);
13017 * lpfc_sli4_post_scsi_sgl_blk_ext - post a block of scsi sgls to the port.
13018 * @phba: pointer to lpfc hba data structure.
13019 * @sblist: pointer to scsi buffer list.
13020 * @count: number of scsi buffers on the list.
13022 * This routine is invoked to post a block of @count scsi sgl pages from a
13023 * SCSI buffer list @sblist to the HBA using non-embedded mailbox command.
13028 lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba
*phba
, struct list_head
*sblist
,
13031 struct lpfc_scsi_buf
*psb
= NULL
;
13032 struct lpfc_mbx_post_uembed_sgl_page1
*sgl
;
13033 struct sgl_page_pairs
*sgl_pg_pairs
;
13035 LPFC_MBOXQ_t
*mbox
;
13036 uint32_t reqlen
, alloclen
, pg_pairs
;
13038 uint16_t xri_start
= 0, scsi_xri_start
;
13039 uint16_t rsrc_range
;
13040 int rc
= 0, avail_cnt
;
13041 uint32_t shdr_status
, shdr_add_status
;
13042 dma_addr_t pdma_phys_bpl1
;
13043 union lpfc_sli4_cfg_shdr
*shdr
;
13044 struct lpfc_rsrc_blks
*rsrc_blk
;
13045 uint32_t xri_cnt
= 0;
13047 /* Calculate the total requested length of the dma memory */
13048 reqlen
= cnt
* sizeof(struct sgl_page_pairs
) +
13049 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
13050 if (reqlen
> SLI4_PAGE_SIZE
) {
13051 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
13052 "2932 Block sgl registration required DMA "
13053 "size (%d) great than a page\n", reqlen
);
13058 * The use of extents requires the driver to post the sgl headers
13059 * in multiple postings to meet the contiguous resource assignment.
13061 psb
= list_prepare_entry(psb
, sblist
, list
);
13062 scsi_xri_start
= phba
->sli4_hba
.scsi_xri_start
;
13063 list_for_each_entry(rsrc_blk
, &phba
->sli4_hba
.lpfc_xri_blk_list
,
13065 rsrc_range
= rsrc_blk
->rsrc_start
+ rsrc_blk
->rsrc_size
;
13066 if (rsrc_range
< scsi_xri_start
)
13068 else if (rsrc_blk
->rsrc_used
>= rsrc_blk
->rsrc_size
)
13071 avail_cnt
= rsrc_blk
->rsrc_size
- rsrc_blk
->rsrc_used
;
13073 reqlen
= (avail_cnt
* sizeof(struct sgl_page_pairs
)) +
13074 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
13076 * Allocate DMA memory and set up the non-embedded mailbox
13077 * command. The mbox is used to post an SGL page per loop
13078 * but the DMA memory has a use-once semantic so the mailbox
13079 * is used and freed per loop pass.
13081 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
13083 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13084 "2933 Failed to allocate mbox cmd "
13088 alloclen
= lpfc_sli4_config(phba
, mbox
,
13089 LPFC_MBOX_SUBSYSTEM_FCOE
,
13090 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
,
13092 LPFC_SLI4_MBX_NEMBED
);
13093 if (alloclen
< reqlen
) {
13094 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13095 "2934 Allocated DMA memory size (%d) "
13096 "is less than the requested DMA memory "
13097 "size (%d)\n", alloclen
, reqlen
);
13098 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
13102 /* Get the first SGE entry from the non-embedded DMA memory */
13103 viraddr
= mbox
->sge_array
->addr
[0];
13105 /* Set up the SGL pages in the non-embedded DMA pages */
13106 sgl
= (struct lpfc_mbx_post_uembed_sgl_page1
*)viraddr
;
13107 sgl_pg_pairs
= &sgl
->sgl_pg_pairs
;
13109 /* pg_pairs tracks posted SGEs per loop iteration. */
13111 list_for_each_entry_continue(psb
, sblist
, list
) {
13112 /* Set up the sge entry */
13113 sgl_pg_pairs
->sgl_pg0_addr_lo
=
13114 cpu_to_le32(putPaddrLow(psb
->dma_phys_bpl
));
13115 sgl_pg_pairs
->sgl_pg0_addr_hi
=
13116 cpu_to_le32(putPaddrHigh(psb
->dma_phys_bpl
));
13117 if (phba
->cfg_sg_dma_buf_size
> SGL_PAGE_SIZE
)
13118 pdma_phys_bpl1
= psb
->dma_phys_bpl
+
13121 pdma_phys_bpl1
= 0;
13122 sgl_pg_pairs
->sgl_pg1_addr_lo
=
13123 cpu_to_le32(putPaddrLow(pdma_phys_bpl1
));
13124 sgl_pg_pairs
->sgl_pg1_addr_hi
=
13125 cpu_to_le32(putPaddrHigh(pdma_phys_bpl1
));
13126 /* Keep the first xri for this extent. */
13128 xri_start
= psb
->cur_iocbq
.sli4_xritag
;
13134 * Track two exit conditions - the loop has constructed
13135 * all of the caller's SGE pairs or all available
13136 * resource IDs in this extent are consumed.
13138 if ((xri_cnt
== cnt
) || (pg_pairs
>= avail_cnt
))
13141 rsrc_blk
->rsrc_used
+= pg_pairs
;
13142 bf_set(lpfc_post_sgl_pages_xri
, sgl
, xri_start
);
13143 bf_set(lpfc_post_sgl_pages_xricnt
, sgl
, pg_pairs
);
13145 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
13146 "3016 Post SCSI Extent SGL, start %d, cnt %d "
13148 xri_start
, pg_pairs
, rsrc_blk
->rsrc_used
);
13149 /* Perform endian conversion if necessary */
13150 sgl
->word0
= cpu_to_le32(sgl
->word0
);
13151 if (!phba
->sli4_hba
.intr_enable
)
13152 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
13154 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
13155 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
13157 shdr
= (union lpfc_sli4_cfg_shdr
*) &sgl
->cfg_shdr
;
13158 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13159 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
13161 if (rc
!= MBX_TIMEOUT
)
13162 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
13163 if (shdr_status
|| shdr_add_status
|| rc
) {
13164 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13165 "2935 POST_SGL_BLOCK mailbox command "
13166 "failed status x%x add_status x%x "
13167 "mbx status x%x\n",
13168 shdr_status
, shdr_add_status
, rc
);
13172 /* Post only what is requested. */
13173 if (xri_cnt
>= cnt
)
13180 * lpfc_fc_frame_check - Check that this frame is a valid frame to handle
13181 * @phba: pointer to lpfc_hba struct that the frame was received on
13182 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
13184 * This function checks the fields in the @fc_hdr to see if the FC frame is a
13185 * valid type of frame that the LPFC driver will handle. This function will
13186 * return a zero if the frame is a valid frame or a non zero value when the
13187 * frame does not pass the check.
13190 lpfc_fc_frame_check(struct lpfc_hba
*phba
, struct fc_frame_header
*fc_hdr
)
13192 /* make rctl_names static to save stack space */
13193 static char *rctl_names
[] = FC_RCTL_NAMES_INIT
;
13194 char *type_names
[] = FC_TYPE_NAMES_INIT
;
13195 struct fc_vft_header
*fc_vft_hdr
;
13196 uint32_t *header
= (uint32_t *) fc_hdr
;
13198 switch (fc_hdr
->fh_r_ctl
) {
13199 case FC_RCTL_DD_UNCAT
: /* uncategorized information */
13200 case FC_RCTL_DD_SOL_DATA
: /* solicited data */
13201 case FC_RCTL_DD_UNSOL_CTL
: /* unsolicited control */
13202 case FC_RCTL_DD_SOL_CTL
: /* solicited control or reply */
13203 case FC_RCTL_DD_UNSOL_DATA
: /* unsolicited data */
13204 case FC_RCTL_DD_DATA_DESC
: /* data descriptor */
13205 case FC_RCTL_DD_UNSOL_CMD
: /* unsolicited command */
13206 case FC_RCTL_DD_CMD_STATUS
: /* command status */
13207 case FC_RCTL_ELS_REQ
: /* extended link services request */
13208 case FC_RCTL_ELS_REP
: /* extended link services reply */
13209 case FC_RCTL_ELS4_REQ
: /* FC-4 ELS request */
13210 case FC_RCTL_ELS4_REP
: /* FC-4 ELS reply */
13211 case FC_RCTL_BA_NOP
: /* basic link service NOP */
13212 case FC_RCTL_BA_ABTS
: /* basic link service abort */
13213 case FC_RCTL_BA_RMC
: /* remove connection */
13214 case FC_RCTL_BA_ACC
: /* basic accept */
13215 case FC_RCTL_BA_RJT
: /* basic reject */
13216 case FC_RCTL_BA_PRMT
:
13217 case FC_RCTL_ACK_1
: /* acknowledge_1 */
13218 case FC_RCTL_ACK_0
: /* acknowledge_0 */
13219 case FC_RCTL_P_RJT
: /* port reject */
13220 case FC_RCTL_F_RJT
: /* fabric reject */
13221 case FC_RCTL_P_BSY
: /* port busy */
13222 case FC_RCTL_F_BSY
: /* fabric busy to data frame */
13223 case FC_RCTL_F_BSYL
: /* fabric busy to link control frame */
13224 case FC_RCTL_LCR
: /* link credit reset */
13225 case FC_RCTL_END
: /* end */
13227 case FC_RCTL_VFTH
: /* Virtual Fabric tagging Header */
13228 fc_vft_hdr
= (struct fc_vft_header
*)fc_hdr
;
13229 fc_hdr
= &((struct fc_frame_header
*)fc_vft_hdr
)[1];
13230 return lpfc_fc_frame_check(phba
, fc_hdr
);
13234 switch (fc_hdr
->fh_type
) {
13246 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
13247 "2538 Received frame rctl:%s type:%s "
13248 "Frame Data:%08x %08x %08x %08x %08x %08x\n",
13249 rctl_names
[fc_hdr
->fh_r_ctl
],
13250 type_names
[fc_hdr
->fh_type
],
13251 be32_to_cpu(header
[0]), be32_to_cpu(header
[1]),
13252 be32_to_cpu(header
[2]), be32_to_cpu(header
[3]),
13253 be32_to_cpu(header
[4]), be32_to_cpu(header
[5]));
13256 lpfc_printf_log(phba
, KERN_WARNING
, LOG_ELS
,
13257 "2539 Dropped frame rctl:%s type:%s\n",
13258 rctl_names
[fc_hdr
->fh_r_ctl
],
13259 type_names
[fc_hdr
->fh_type
]);
13264 * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame
13265 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
13267 * This function processes the FC header to retrieve the VFI from the VF
13268 * header, if one exists. This function will return the VFI if one exists
13269 * or 0 if no VSAN Header exists.
13272 lpfc_fc_hdr_get_vfi(struct fc_frame_header
*fc_hdr
)
13274 struct fc_vft_header
*fc_vft_hdr
= (struct fc_vft_header
*)fc_hdr
;
13276 if (fc_hdr
->fh_r_ctl
!= FC_RCTL_VFTH
)
13278 return bf_get(fc_vft_hdr_vf_id
, fc_vft_hdr
);
13282 * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to
13283 * @phba: Pointer to the HBA structure to search for the vport on
13284 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
13285 * @fcfi: The FC Fabric ID that the frame came from
13287 * This function searches the @phba for a vport that matches the content of the
13288 * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the
13289 * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function
13290 * returns the matching vport pointer or NULL if unable to match frame to a
13293 static struct lpfc_vport
*
13294 lpfc_fc_frame_to_vport(struct lpfc_hba
*phba
, struct fc_frame_header
*fc_hdr
,
13297 struct lpfc_vport
**vports
;
13298 struct lpfc_vport
*vport
= NULL
;
13300 uint32_t did
= (fc_hdr
->fh_d_id
[0] << 16 |
13301 fc_hdr
->fh_d_id
[1] << 8 |
13302 fc_hdr
->fh_d_id
[2]);
13303 if (did
== Fabric_DID
)
13304 return phba
->pport
;
13305 vports
= lpfc_create_vport_work_array(phba
);
13306 if (vports
!= NULL
)
13307 for (i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
13308 if (phba
->fcf
.fcfi
== fcfi
&&
13309 vports
[i
]->vfi
== lpfc_fc_hdr_get_vfi(fc_hdr
) &&
13310 vports
[i
]->fc_myDID
== did
) {
13315 lpfc_destroy_vport_work_array(phba
, vports
);
13320 * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp
13321 * @vport: The vport to work on.
13323 * This function updates the receive sequence time stamp for this vport. The
13324 * receive sequence time stamp indicates the time that the last frame of the
13325 * the sequence that has been idle for the longest amount of time was received.
13326 * the driver uses this time stamp to indicate if any received sequences have
13330 lpfc_update_rcv_time_stamp(struct lpfc_vport
*vport
)
13332 struct lpfc_dmabuf
*h_buf
;
13333 struct hbq_dmabuf
*dmabuf
= NULL
;
13335 /* get the oldest sequence on the rcv list */
13336 h_buf
= list_get_first(&vport
->rcv_buffer_list
,
13337 struct lpfc_dmabuf
, list
);
13340 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
13341 vport
->rcv_buffer_time_stamp
= dmabuf
->time_stamp
;
13345 * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences.
13346 * @vport: The vport that the received sequences were sent to.
13348 * This function cleans up all outstanding received sequences. This is called
13349 * by the driver when a link event or user action invalidates all the received
13353 lpfc_cleanup_rcv_buffers(struct lpfc_vport
*vport
)
13355 struct lpfc_dmabuf
*h_buf
, *hnext
;
13356 struct lpfc_dmabuf
*d_buf
, *dnext
;
13357 struct hbq_dmabuf
*dmabuf
= NULL
;
13359 /* start with the oldest sequence on the rcv list */
13360 list_for_each_entry_safe(h_buf
, hnext
, &vport
->rcv_buffer_list
, list
) {
13361 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
13362 list_del_init(&dmabuf
->hbuf
.list
);
13363 list_for_each_entry_safe(d_buf
, dnext
,
13364 &dmabuf
->dbuf
.list
, list
) {
13365 list_del_init(&d_buf
->list
);
13366 lpfc_in_buf_free(vport
->phba
, d_buf
);
13368 lpfc_in_buf_free(vport
->phba
, &dmabuf
->dbuf
);
13373 * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences.
13374 * @vport: The vport that the received sequences were sent to.
13376 * This function determines whether any received sequences have timed out by
13377 * first checking the vport's rcv_buffer_time_stamp. If this time_stamp
13378 * indicates that there is at least one timed out sequence this routine will
13379 * go through the received sequences one at a time from most inactive to most
13380 * active to determine which ones need to be cleaned up. Once it has determined
13381 * that a sequence needs to be cleaned up it will simply free up the resources
13382 * without sending an abort.
13385 lpfc_rcv_seq_check_edtov(struct lpfc_vport
*vport
)
13387 struct lpfc_dmabuf
*h_buf
, *hnext
;
13388 struct lpfc_dmabuf
*d_buf
, *dnext
;
13389 struct hbq_dmabuf
*dmabuf
= NULL
;
13390 unsigned long timeout
;
13391 int abort_count
= 0;
13393 timeout
= (msecs_to_jiffies(vport
->phba
->fc_edtov
) +
13394 vport
->rcv_buffer_time_stamp
);
13395 if (list_empty(&vport
->rcv_buffer_list
) ||
13396 time_before(jiffies
, timeout
))
13398 /* start with the oldest sequence on the rcv list */
13399 list_for_each_entry_safe(h_buf
, hnext
, &vport
->rcv_buffer_list
, list
) {
13400 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
13401 timeout
= (msecs_to_jiffies(vport
->phba
->fc_edtov
) +
13402 dmabuf
->time_stamp
);
13403 if (time_before(jiffies
, timeout
))
13406 list_del_init(&dmabuf
->hbuf
.list
);
13407 list_for_each_entry_safe(d_buf
, dnext
,
13408 &dmabuf
->dbuf
.list
, list
) {
13409 list_del_init(&d_buf
->list
);
13410 lpfc_in_buf_free(vport
->phba
, d_buf
);
13412 lpfc_in_buf_free(vport
->phba
, &dmabuf
->dbuf
);
13415 lpfc_update_rcv_time_stamp(vport
);
13419 * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences
13420 * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame
13422 * This function searches through the existing incomplete sequences that have
13423 * been sent to this @vport. If the frame matches one of the incomplete
13424 * sequences then the dbuf in the @dmabuf is added to the list of frames that
13425 * make up that sequence. If no sequence is found that matches this frame then
13426 * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list
13427 * This function returns a pointer to the first dmabuf in the sequence list that
13428 * the frame was linked to.
13430 static struct hbq_dmabuf
*
13431 lpfc_fc_frame_add(struct lpfc_vport
*vport
, struct hbq_dmabuf
*dmabuf
)
13433 struct fc_frame_header
*new_hdr
;
13434 struct fc_frame_header
*temp_hdr
;
13435 struct lpfc_dmabuf
*d_buf
;
13436 struct lpfc_dmabuf
*h_buf
;
13437 struct hbq_dmabuf
*seq_dmabuf
= NULL
;
13438 struct hbq_dmabuf
*temp_dmabuf
= NULL
;
13440 INIT_LIST_HEAD(&dmabuf
->dbuf
.list
);
13441 dmabuf
->time_stamp
= jiffies
;
13442 new_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
13443 /* Use the hdr_buf to find the sequence that this frame belongs to */
13444 list_for_each_entry(h_buf
, &vport
->rcv_buffer_list
, list
) {
13445 temp_hdr
= (struct fc_frame_header
*)h_buf
->virt
;
13446 if ((temp_hdr
->fh_seq_id
!= new_hdr
->fh_seq_id
) ||
13447 (temp_hdr
->fh_ox_id
!= new_hdr
->fh_ox_id
) ||
13448 (memcmp(&temp_hdr
->fh_s_id
, &new_hdr
->fh_s_id
, 3)))
13450 /* found a pending sequence that matches this frame */
13451 seq_dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
13456 * This indicates first frame received for this sequence.
13457 * Queue the buffer on the vport's rcv_buffer_list.
13459 list_add_tail(&dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
13460 lpfc_update_rcv_time_stamp(vport
);
13463 temp_hdr
= seq_dmabuf
->hbuf
.virt
;
13464 if (be16_to_cpu(new_hdr
->fh_seq_cnt
) <
13465 be16_to_cpu(temp_hdr
->fh_seq_cnt
)) {
13466 list_del_init(&seq_dmabuf
->hbuf
.list
);
13467 list_add_tail(&dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
13468 list_add_tail(&dmabuf
->dbuf
.list
, &seq_dmabuf
->dbuf
.list
);
13469 lpfc_update_rcv_time_stamp(vport
);
13472 /* move this sequence to the tail to indicate a young sequence */
13473 list_move_tail(&seq_dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
13474 seq_dmabuf
->time_stamp
= jiffies
;
13475 lpfc_update_rcv_time_stamp(vport
);
13476 if (list_empty(&seq_dmabuf
->dbuf
.list
)) {
13477 temp_hdr
= dmabuf
->hbuf
.virt
;
13478 list_add_tail(&dmabuf
->dbuf
.list
, &seq_dmabuf
->dbuf
.list
);
13481 /* find the correct place in the sequence to insert this frame */
13482 list_for_each_entry_reverse(d_buf
, &seq_dmabuf
->dbuf
.list
, list
) {
13483 temp_dmabuf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
13484 temp_hdr
= (struct fc_frame_header
*)temp_dmabuf
->hbuf
.virt
;
13486 * If the frame's sequence count is greater than the frame on
13487 * the list then insert the frame right after this frame
13489 if (be16_to_cpu(new_hdr
->fh_seq_cnt
) >
13490 be16_to_cpu(temp_hdr
->fh_seq_cnt
)) {
13491 list_add(&dmabuf
->dbuf
.list
, &temp_dmabuf
->dbuf
.list
);
13499 * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence
13500 * @vport: pointer to a vitural port
13501 * @dmabuf: pointer to a dmabuf that describes the FC sequence
13503 * This function tries to abort from the partially assembed sequence, described
13504 * by the information from basic abbort @dmabuf. It checks to see whether such
13505 * partially assembled sequence held by the driver. If so, it shall free up all
13506 * the frames from the partially assembled sequence.
13509 * true -- if there is matching partially assembled sequence present and all
13510 * the frames freed with the sequence;
13511 * false -- if there is no matching partially assembled sequence present so
13512 * nothing got aborted in the lower layer driver
13515 lpfc_sli4_abort_partial_seq(struct lpfc_vport
*vport
,
13516 struct hbq_dmabuf
*dmabuf
)
13518 struct fc_frame_header
*new_hdr
;
13519 struct fc_frame_header
*temp_hdr
;
13520 struct lpfc_dmabuf
*d_buf
, *n_buf
, *h_buf
;
13521 struct hbq_dmabuf
*seq_dmabuf
= NULL
;
13523 /* Use the hdr_buf to find the sequence that matches this frame */
13524 INIT_LIST_HEAD(&dmabuf
->dbuf
.list
);
13525 INIT_LIST_HEAD(&dmabuf
->hbuf
.list
);
13526 new_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
13527 list_for_each_entry(h_buf
, &vport
->rcv_buffer_list
, list
) {
13528 temp_hdr
= (struct fc_frame_header
*)h_buf
->virt
;
13529 if ((temp_hdr
->fh_seq_id
!= new_hdr
->fh_seq_id
) ||
13530 (temp_hdr
->fh_ox_id
!= new_hdr
->fh_ox_id
) ||
13531 (memcmp(&temp_hdr
->fh_s_id
, &new_hdr
->fh_s_id
, 3)))
13533 /* found a pending sequence that matches this frame */
13534 seq_dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
13538 /* Free up all the frames from the partially assembled sequence */
13540 list_for_each_entry_safe(d_buf
, n_buf
,
13541 &seq_dmabuf
->dbuf
.list
, list
) {
13542 list_del_init(&d_buf
->list
);
13543 lpfc_in_buf_free(vport
->phba
, d_buf
);
13551 * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler
13552 * @phba: Pointer to HBA context object.
13553 * @cmd_iocbq: pointer to the command iocbq structure.
13554 * @rsp_iocbq: pointer to the response iocbq structure.
13556 * This function handles the sequence abort response iocb command complete
13557 * event. It properly releases the memory allocated to the sequence abort
13561 lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba
*phba
,
13562 struct lpfc_iocbq
*cmd_iocbq
,
13563 struct lpfc_iocbq
*rsp_iocbq
)
13566 lpfc_sli_release_iocbq(phba
, cmd_iocbq
);
13570 * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver.
13571 * @phba: Pointer to HBA context object.
13572 * @xri: xri id in transaction.
13574 * This function validates the xri maps to the known range of XRIs allocated an
13575 * used by the driver.
13578 lpfc_sli4_xri_inrange(struct lpfc_hba
*phba
,
13583 for (i
= 0; i
< phba
->sli4_hba
.max_cfg_param
.max_xri
; i
++) {
13584 if (xri
== phba
->sli4_hba
.xri_ids
[i
])
13592 * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort
13593 * @phba: Pointer to HBA context object.
13594 * @fc_hdr: pointer to a FC frame header.
13596 * This function sends a basic response to a previous unsol sequence abort
13597 * event after aborting the sequence handling.
13600 lpfc_sli4_seq_abort_rsp(struct lpfc_hba
*phba
,
13601 struct fc_frame_header
*fc_hdr
)
13603 struct lpfc_iocbq
*ctiocb
= NULL
;
13604 struct lpfc_nodelist
*ndlp
;
13605 uint16_t oxid
, rxid
;
13606 uint32_t sid
, fctl
;
13610 if (!lpfc_is_link_up(phba
))
13613 sid
= sli4_sid_from_fc_hdr(fc_hdr
);
13614 oxid
= be16_to_cpu(fc_hdr
->fh_ox_id
);
13615 rxid
= be16_to_cpu(fc_hdr
->fh_rx_id
);
13617 ndlp
= lpfc_findnode_did(phba
->pport
, sid
);
13619 lpfc_printf_log(phba
, KERN_WARNING
, LOG_ELS
,
13620 "1268 Find ndlp returned NULL for oxid:x%x "
13621 "SID:x%x\n", oxid
, sid
);
13624 if (lpfc_sli4_xri_inrange(phba
, rxid
))
13625 lpfc_set_rrq_active(phba
, ndlp
, rxid
, oxid
, 0);
13627 /* Allocate buffer for rsp iocb */
13628 ctiocb
= lpfc_sli_get_iocbq(phba
);
13632 /* Extract the F_CTL field from FC_HDR */
13633 fctl
= sli4_fctl_from_fc_hdr(fc_hdr
);
13635 icmd
= &ctiocb
->iocb
;
13636 icmd
->un
.xseq64
.bdl
.bdeSize
= 0;
13637 icmd
->un
.xseq64
.bdl
.ulpIoTag32
= 0;
13638 icmd
->un
.xseq64
.w5
.hcsw
.Dfctl
= 0;
13639 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
= FC_RCTL_BA_ACC
;
13640 icmd
->un
.xseq64
.w5
.hcsw
.Type
= FC_TYPE_BLS
;
13642 /* Fill in the rest of iocb fields */
13643 icmd
->ulpCommand
= CMD_XMIT_BLS_RSP64_CX
;
13644 icmd
->ulpBdeCount
= 0;
13646 icmd
->ulpClass
= CLASS3
;
13647 icmd
->ulpContext
= phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
];
13648 ctiocb
->context1
= ndlp
;
13650 ctiocb
->iocb_cmpl
= NULL
;
13651 ctiocb
->vport
= phba
->pport
;
13652 ctiocb
->iocb_cmpl
= lpfc_sli4_seq_abort_rsp_cmpl
;
13653 ctiocb
->sli4_lxritag
= NO_XRI
;
13654 ctiocb
->sli4_xritag
= NO_XRI
;
13656 /* If the oxid maps to the FCP XRI range or if it is out of range,
13657 * send a BLS_RJT. The driver no longer has that exchange.
13658 * Override the IOCB for a BA_RJT.
13660 if (oxid
> (phba
->sli4_hba
.max_cfg_param
.max_xri
+
13661 phba
->sli4_hba
.max_cfg_param
.xri_base
) ||
13662 oxid
> (lpfc_sli4_get_els_iocb_cnt(phba
) +
13663 phba
->sli4_hba
.max_cfg_param
.xri_base
)) {
13664 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
= FC_RCTL_BA_RJT
;
13665 bf_set(lpfc_vndr_code
, &icmd
->un
.bls_rsp
, 0);
13666 bf_set(lpfc_rsn_expln
, &icmd
->un
.bls_rsp
, FC_BA_RJT_INV_XID
);
13667 bf_set(lpfc_rsn_code
, &icmd
->un
.bls_rsp
, FC_BA_RJT_UNABLE
);
13670 if (fctl
& FC_FC_EX_CTX
) {
13671 /* ABTS sent by responder to CT exchange, construction
13672 * of BA_ACC will use OX_ID from ABTS for the XRI_TAG
13673 * field and RX_ID from ABTS for RX_ID field.
13675 bf_set(lpfc_abts_orig
, &icmd
->un
.bls_rsp
, LPFC_ABTS_UNSOL_RSP
);
13676 bf_set(lpfc_abts_rxid
, &icmd
->un
.bls_rsp
, rxid
);
13678 /* ABTS sent by initiator to CT exchange, construction
13679 * of BA_ACC will need to allocate a new XRI as for the
13680 * XRI_TAG and RX_ID fields.
13682 bf_set(lpfc_abts_orig
, &icmd
->un
.bls_rsp
, LPFC_ABTS_UNSOL_INT
);
13683 bf_set(lpfc_abts_rxid
, &icmd
->un
.bls_rsp
, NO_XRI
);
13685 bf_set(lpfc_abts_oxid
, &icmd
->un
.bls_rsp
, oxid
);
13687 /* Xmit CT abts response on exchange <xid> */
13688 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
13689 "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n",
13690 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
, oxid
, phba
->link_state
);
13692 rc
= lpfc_sli_issue_iocb(phba
, LPFC_ELS_RING
, ctiocb
, 0);
13693 if (rc
== IOCB_ERROR
) {
13694 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
13695 "2925 Failed to issue CT ABTS RSP x%x on "
13696 "xri x%x, Data x%x\n",
13697 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
, oxid
,
13699 lpfc_sli_release_iocbq(phba
, ctiocb
);
13704 * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event
13705 * @vport: Pointer to the vport on which this sequence was received
13706 * @dmabuf: pointer to a dmabuf that describes the FC sequence
13708 * This function handles an SLI-4 unsolicited abort event. If the unsolicited
13709 * receive sequence is only partially assembed by the driver, it shall abort
13710 * the partially assembled frames for the sequence. Otherwise, if the
13711 * unsolicited receive sequence has been completely assembled and passed to
13712 * the Upper Layer Protocol (UPL), it then mark the per oxid status for the
13713 * unsolicited sequence has been aborted. After that, it will issue a basic
13714 * accept to accept the abort.
13717 lpfc_sli4_handle_unsol_abort(struct lpfc_vport
*vport
,
13718 struct hbq_dmabuf
*dmabuf
)
13720 struct lpfc_hba
*phba
= vport
->phba
;
13721 struct fc_frame_header fc_hdr
;
13725 /* Make a copy of fc_hdr before the dmabuf being released */
13726 memcpy(&fc_hdr
, dmabuf
->hbuf
.virt
, sizeof(struct fc_frame_header
));
13727 fctl
= sli4_fctl_from_fc_hdr(&fc_hdr
);
13729 if (fctl
& FC_FC_EX_CTX
) {
13731 * ABTS sent by responder to exchange, just free the buffer
13733 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
13736 * ABTS sent by initiator to exchange, need to do cleanup
13738 /* Try to abort partially assembled seq */
13739 abts_par
= lpfc_sli4_abort_partial_seq(vport
, dmabuf
);
13741 /* Send abort to ULP if partially seq abort failed */
13742 if (abts_par
== false)
13743 lpfc_sli4_send_seq_to_ulp(vport
, dmabuf
);
13745 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
13747 /* Send basic accept (BA_ACC) to the abort requester */
13748 lpfc_sli4_seq_abort_rsp(phba
, &fc_hdr
);
13752 * lpfc_seq_complete - Indicates if a sequence is complete
13753 * @dmabuf: pointer to a dmabuf that describes the FC sequence
13755 * This function checks the sequence, starting with the frame described by
13756 * @dmabuf, to see if all the frames associated with this sequence are present.
13757 * the frames associated with this sequence are linked to the @dmabuf using the
13758 * dbuf list. This function looks for two major things. 1) That the first frame
13759 * has a sequence count of zero. 2) There is a frame with last frame of sequence
13760 * set. 3) That there are no holes in the sequence count. The function will
13761 * return 1 when the sequence is complete, otherwise it will return 0.
13764 lpfc_seq_complete(struct hbq_dmabuf
*dmabuf
)
13766 struct fc_frame_header
*hdr
;
13767 struct lpfc_dmabuf
*d_buf
;
13768 struct hbq_dmabuf
*seq_dmabuf
;
13772 hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
13773 /* make sure first fame of sequence has a sequence count of zero */
13774 if (hdr
->fh_seq_cnt
!= seq_count
)
13776 fctl
= (hdr
->fh_f_ctl
[0] << 16 |
13777 hdr
->fh_f_ctl
[1] << 8 |
13779 /* If last frame of sequence we can return success. */
13780 if (fctl
& FC_FC_END_SEQ
)
13782 list_for_each_entry(d_buf
, &dmabuf
->dbuf
.list
, list
) {
13783 seq_dmabuf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
13784 hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
13785 /* If there is a hole in the sequence count then fail. */
13786 if (++seq_count
!= be16_to_cpu(hdr
->fh_seq_cnt
))
13788 fctl
= (hdr
->fh_f_ctl
[0] << 16 |
13789 hdr
->fh_f_ctl
[1] << 8 |
13791 /* If last frame of sequence we can return success. */
13792 if (fctl
& FC_FC_END_SEQ
)
13799 * lpfc_prep_seq - Prep sequence for ULP processing
13800 * @vport: Pointer to the vport on which this sequence was received
13801 * @dmabuf: pointer to a dmabuf that describes the FC sequence
13803 * This function takes a sequence, described by a list of frames, and creates
13804 * a list of iocbq structures to describe the sequence. This iocbq list will be
13805 * used to issue to the generic unsolicited sequence handler. This routine
13806 * returns a pointer to the first iocbq in the list. If the function is unable
13807 * to allocate an iocbq then it throw out the received frames that were not
13808 * able to be described and return a pointer to the first iocbq. If unable to
13809 * allocate any iocbqs (including the first) this function will return NULL.
13811 static struct lpfc_iocbq
*
13812 lpfc_prep_seq(struct lpfc_vport
*vport
, struct hbq_dmabuf
*seq_dmabuf
)
13814 struct hbq_dmabuf
*hbq_buf
;
13815 struct lpfc_dmabuf
*d_buf
, *n_buf
;
13816 struct lpfc_iocbq
*first_iocbq
, *iocbq
;
13817 struct fc_frame_header
*fc_hdr
;
13819 uint32_t len
, tot_len
;
13820 struct ulp_bde64
*pbde
;
13822 fc_hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
13823 /* remove from receive buffer list */
13824 list_del_init(&seq_dmabuf
->hbuf
.list
);
13825 lpfc_update_rcv_time_stamp(vport
);
13826 /* get the Remote Port's SID */
13827 sid
= sli4_sid_from_fc_hdr(fc_hdr
);
13829 /* Get an iocbq struct to fill in. */
13830 first_iocbq
= lpfc_sli_get_iocbq(vport
->phba
);
13832 /* Initialize the first IOCB. */
13833 first_iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= 0;
13834 first_iocbq
->iocb
.ulpStatus
= IOSTAT_SUCCESS
;
13835 first_iocbq
->iocb
.ulpCommand
= CMD_IOCB_RCV_SEQ64_CX
;
13836 first_iocbq
->iocb
.ulpContext
= NO_XRI
;
13837 first_iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
=
13838 be16_to_cpu(fc_hdr
->fh_ox_id
);
13839 /* iocbq is prepped for internal consumption. Physical vpi. */
13840 first_iocbq
->iocb
.unsli3
.rcvsli3
.vpi
=
13841 vport
->phba
->vpi_ids
[vport
->vpi
];
13842 /* put the first buffer into the first IOCBq */
13843 first_iocbq
->context2
= &seq_dmabuf
->dbuf
;
13844 first_iocbq
->context3
= NULL
;
13845 first_iocbq
->iocb
.ulpBdeCount
= 1;
13846 first_iocbq
->iocb
.un
.cont64
[0].tus
.f
.bdeSize
=
13847 LPFC_DATA_BUF_SIZE
;
13848 first_iocbq
->iocb
.un
.rcvels
.remoteID
= sid
;
13849 tot_len
= bf_get(lpfc_rcqe_length
,
13850 &seq_dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
13851 first_iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= tot_len
;
13853 iocbq
= first_iocbq
;
13855 * Each IOCBq can have two Buffers assigned, so go through the list
13856 * of buffers for this sequence and save two buffers in each IOCBq
13858 list_for_each_entry_safe(d_buf
, n_buf
, &seq_dmabuf
->dbuf
.list
, list
) {
13860 lpfc_in_buf_free(vport
->phba
, d_buf
);
13863 if (!iocbq
->context3
) {
13864 iocbq
->context3
= d_buf
;
13865 iocbq
->iocb
.ulpBdeCount
++;
13866 pbde
= (struct ulp_bde64
*)
13867 &iocbq
->iocb
.unsli3
.sli3Words
[4];
13868 pbde
->tus
.f
.bdeSize
= LPFC_DATA_BUF_SIZE
;
13870 /* We need to get the size out of the right CQE */
13871 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
13872 len
= bf_get(lpfc_rcqe_length
,
13873 &hbq_buf
->cq_event
.cqe
.rcqe_cmpl
);
13874 iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
+= len
;
13877 iocbq
= lpfc_sli_get_iocbq(vport
->phba
);
13880 first_iocbq
->iocb
.ulpStatus
=
13881 IOSTAT_FCP_RSP_ERROR
;
13882 first_iocbq
->iocb
.un
.ulpWord
[4] =
13883 IOERR_NO_RESOURCES
;
13885 lpfc_in_buf_free(vport
->phba
, d_buf
);
13888 iocbq
->context2
= d_buf
;
13889 iocbq
->context3
= NULL
;
13890 iocbq
->iocb
.ulpBdeCount
= 1;
13891 iocbq
->iocb
.un
.cont64
[0].tus
.f
.bdeSize
=
13892 LPFC_DATA_BUF_SIZE
;
13894 /* We need to get the size out of the right CQE */
13895 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
13896 len
= bf_get(lpfc_rcqe_length
,
13897 &hbq_buf
->cq_event
.cqe
.rcqe_cmpl
);
13899 iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= tot_len
;
13901 iocbq
->iocb
.un
.rcvels
.remoteID
= sid
;
13902 list_add_tail(&iocbq
->list
, &first_iocbq
->list
);
13905 return first_iocbq
;
13909 lpfc_sli4_send_seq_to_ulp(struct lpfc_vport
*vport
,
13910 struct hbq_dmabuf
*seq_dmabuf
)
13912 struct fc_frame_header
*fc_hdr
;
13913 struct lpfc_iocbq
*iocbq
, *curr_iocb
, *next_iocb
;
13914 struct lpfc_hba
*phba
= vport
->phba
;
13916 fc_hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
13917 iocbq
= lpfc_prep_seq(vport
, seq_dmabuf
);
13919 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13920 "2707 Ring %d handler: Failed to allocate "
13921 "iocb Rctl x%x Type x%x received\n",
13923 fc_hdr
->fh_r_ctl
, fc_hdr
->fh_type
);
13926 if (!lpfc_complete_unsol_iocb(phba
,
13927 &phba
->sli
.ring
[LPFC_ELS_RING
],
13928 iocbq
, fc_hdr
->fh_r_ctl
,
13930 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13931 "2540 Ring %d handler: unexpected Rctl "
13932 "x%x Type x%x received\n",
13934 fc_hdr
->fh_r_ctl
, fc_hdr
->fh_type
);
13936 /* Free iocb created in lpfc_prep_seq */
13937 list_for_each_entry_safe(curr_iocb
, next_iocb
,
13938 &iocbq
->list
, list
) {
13939 list_del_init(&curr_iocb
->list
);
13940 lpfc_sli_release_iocbq(phba
, curr_iocb
);
13942 lpfc_sli_release_iocbq(phba
, iocbq
);
13946 * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware
13947 * @phba: Pointer to HBA context object.
13949 * This function is called with no lock held. This function processes all
13950 * the received buffers and gives it to upper layers when a received buffer
13951 * indicates that it is the final frame in the sequence. The interrupt
13952 * service routine processes received buffers at interrupt contexts and adds
13953 * received dma buffers to the rb_pend_list queue and signals the worker thread.
13954 * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the
13955 * appropriate receive function when the final frame in a sequence is received.
13958 lpfc_sli4_handle_received_buffer(struct lpfc_hba
*phba
,
13959 struct hbq_dmabuf
*dmabuf
)
13961 struct hbq_dmabuf
*seq_dmabuf
;
13962 struct fc_frame_header
*fc_hdr
;
13963 struct lpfc_vport
*vport
;
13966 /* Process each received buffer */
13967 fc_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
13968 /* check to see if this a valid type of frame */
13969 if (lpfc_fc_frame_check(phba
, fc_hdr
)) {
13970 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
13973 if ((bf_get(lpfc_cqe_code
,
13974 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
) == CQE_CODE_RECEIVE_V1
))
13975 fcfi
= bf_get(lpfc_rcqe_fcf_id_v1
,
13976 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
13978 fcfi
= bf_get(lpfc_rcqe_fcf_id
,
13979 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
13980 vport
= lpfc_fc_frame_to_vport(phba
, fc_hdr
, fcfi
);
13981 if (!vport
|| !(vport
->vpi_state
& LPFC_VPI_REGISTERED
)) {
13982 /* throw out the frame */
13983 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
13986 /* Handle the basic abort sequence (BA_ABTS) event */
13987 if (fc_hdr
->fh_r_ctl
== FC_RCTL_BA_ABTS
) {
13988 lpfc_sli4_handle_unsol_abort(vport
, dmabuf
);
13992 /* Link this frame */
13993 seq_dmabuf
= lpfc_fc_frame_add(vport
, dmabuf
);
13995 /* unable to add frame to vport - throw it out */
13996 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
13999 /* If not last frame in sequence continue processing frames. */
14000 if (!lpfc_seq_complete(seq_dmabuf
))
14003 /* Send the complete sequence to the upper layer protocol */
14004 lpfc_sli4_send_seq_to_ulp(vport
, seq_dmabuf
);
14008 * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port
14009 * @phba: pointer to lpfc hba data structure.
14011 * This routine is invoked to post rpi header templates to the
14012 * HBA consistent with the SLI-4 interface spec. This routine
14013 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
14014 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
14016 * This routine does not require any locks. It's usage is expected
14017 * to be driver load or reset recovery when the driver is
14022 * -EIO - The mailbox failed to complete successfully.
14023 * When this error occurs, the driver is not guaranteed
14024 * to have any rpi regions posted to the device and
14025 * must either attempt to repost the regions or take a
14029 lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba
*phba
)
14031 struct lpfc_rpi_hdr
*rpi_page
;
14035 /* SLI4 ports that support extents do not require RPI headers. */
14036 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
14038 if (phba
->sli4_hba
.extents_in_use
)
14041 list_for_each_entry(rpi_page
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
14043 * Assign the rpi headers a physical rpi only if the driver
14044 * has not initialized those resources. A port reset only
14045 * needs the headers posted.
14047 if (bf_get(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) !=
14049 rpi_page
->start_rpi
= phba
->sli4_hba
.rpi_ids
[lrpi
];
14051 rc
= lpfc_sli4_post_rpi_hdr(phba
, rpi_page
);
14052 if (rc
!= MBX_SUCCESS
) {
14053 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14054 "2008 Error %d posting all rpi "
14062 bf_set(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
14063 LPFC_RPI_RSRC_RDY
);
14068 * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port
14069 * @phba: pointer to lpfc hba data structure.
14070 * @rpi_page: pointer to the rpi memory region.
14072 * This routine is invoked to post a single rpi header to the
14073 * HBA consistent with the SLI-4 interface spec. This memory region
14074 * maps up to 64 rpi context regions.
14078 * -ENOMEM - No available memory
14079 * -EIO - The mailbox failed to complete successfully.
14082 lpfc_sli4_post_rpi_hdr(struct lpfc_hba
*phba
, struct lpfc_rpi_hdr
*rpi_page
)
14084 LPFC_MBOXQ_t
*mboxq
;
14085 struct lpfc_mbx_post_hdr_tmpl
*hdr_tmpl
;
14087 uint32_t shdr_status
, shdr_add_status
;
14088 union lpfc_sli4_cfg_shdr
*shdr
;
14090 /* SLI4 ports that support extents do not require RPI headers. */
14091 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
14093 if (phba
->sli4_hba
.extents_in_use
)
14096 /* The port is notified of the header region via a mailbox command. */
14097 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14099 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14100 "2001 Unable to allocate memory for issuing "
14101 "SLI_CONFIG_SPECIAL mailbox command\n");
14105 /* Post all rpi memory regions to the port. */
14106 hdr_tmpl
= &mboxq
->u
.mqe
.un
.hdr_tmpl
;
14107 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
14108 LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE
,
14109 sizeof(struct lpfc_mbx_post_hdr_tmpl
) -
14110 sizeof(struct lpfc_sli4_cfg_mhdr
),
14111 LPFC_SLI4_MBX_EMBED
);
14114 /* Post the physical rpi to the port for this rpi header. */
14115 bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset
, hdr_tmpl
,
14116 rpi_page
->start_rpi
);
14117 bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt
,
14118 hdr_tmpl
, rpi_page
->page_count
);
14120 hdr_tmpl
->rpi_paddr_lo
= putPaddrLow(rpi_page
->dmabuf
->phys
);
14121 hdr_tmpl
->rpi_paddr_hi
= putPaddrHigh(rpi_page
->dmabuf
->phys
);
14122 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
14123 shdr
= (union lpfc_sli4_cfg_shdr
*) &hdr_tmpl
->header
.cfg_shdr
;
14124 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14125 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14126 if (rc
!= MBX_TIMEOUT
)
14127 mempool_free(mboxq
, phba
->mbox_mem_pool
);
14128 if (shdr_status
|| shdr_add_status
|| rc
) {
14129 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14130 "2514 POST_RPI_HDR mailbox failed with "
14131 "status x%x add_status x%x, mbx status x%x\n",
14132 shdr_status
, shdr_add_status
, rc
);
14139 * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range
14140 * @phba: pointer to lpfc hba data structure.
14142 * This routine is invoked to post rpi header templates to the
14143 * HBA consistent with the SLI-4 interface spec. This routine
14144 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
14145 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
14148 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful
14149 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
14152 lpfc_sli4_alloc_rpi(struct lpfc_hba
*phba
)
14155 uint16_t max_rpi
, rpi_limit
;
14156 uint16_t rpi_remaining
, lrpi
= 0;
14157 struct lpfc_rpi_hdr
*rpi_hdr
;
14159 max_rpi
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
14160 rpi_limit
= phba
->sli4_hba
.next_rpi
;
14163 * Fetch the next logical rpi. Because this index is logical,
14164 * the driver starts at 0 each time.
14166 spin_lock_irq(&phba
->hbalock
);
14167 rpi
= find_next_zero_bit(phba
->sli4_hba
.rpi_bmask
, rpi_limit
, 0);
14168 if (rpi
>= rpi_limit
)
14169 rpi
= LPFC_RPI_ALLOC_ERROR
;
14171 set_bit(rpi
, phba
->sli4_hba
.rpi_bmask
);
14172 phba
->sli4_hba
.max_cfg_param
.rpi_used
++;
14173 phba
->sli4_hba
.rpi_count
++;
14177 * Don't try to allocate more rpi header regions if the device limit
14178 * has been exhausted.
14180 if ((rpi
== LPFC_RPI_ALLOC_ERROR
) &&
14181 (phba
->sli4_hba
.rpi_count
>= max_rpi
)) {
14182 spin_unlock_irq(&phba
->hbalock
);
14187 * RPI header postings are not required for SLI4 ports capable of
14190 if (!phba
->sli4_hba
.rpi_hdrs_in_use
) {
14191 spin_unlock_irq(&phba
->hbalock
);
14196 * If the driver is running low on rpi resources, allocate another
14197 * page now. Note that the next_rpi value is used because
14198 * it represents how many are actually in use whereas max_rpi notes
14199 * how many are supported max by the device.
14201 rpi_remaining
= phba
->sli4_hba
.next_rpi
- phba
->sli4_hba
.rpi_count
;
14202 spin_unlock_irq(&phba
->hbalock
);
14203 if (rpi_remaining
< LPFC_RPI_LOW_WATER_MARK
) {
14204 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
14206 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14207 "2002 Error Could not grow rpi "
14210 lrpi
= rpi_hdr
->start_rpi
;
14211 rpi_hdr
->start_rpi
= phba
->sli4_hba
.rpi_ids
[lrpi
];
14212 lpfc_sli4_post_rpi_hdr(phba
, rpi_hdr
);
14220 * lpfc_sli4_free_rpi - Release an rpi for reuse.
14221 * @phba: pointer to lpfc hba data structure.
14223 * This routine is invoked to release an rpi to the pool of
14224 * available rpis maintained by the driver.
14227 __lpfc_sli4_free_rpi(struct lpfc_hba
*phba
, int rpi
)
14229 if (test_and_clear_bit(rpi
, phba
->sli4_hba
.rpi_bmask
)) {
14230 phba
->sli4_hba
.rpi_count
--;
14231 phba
->sli4_hba
.max_cfg_param
.rpi_used
--;
14236 * lpfc_sli4_free_rpi - Release an rpi for reuse.
14237 * @phba: pointer to lpfc hba data structure.
14239 * This routine is invoked to release an rpi to the pool of
14240 * available rpis maintained by the driver.
14243 lpfc_sli4_free_rpi(struct lpfc_hba
*phba
, int rpi
)
14245 spin_lock_irq(&phba
->hbalock
);
14246 __lpfc_sli4_free_rpi(phba
, rpi
);
14247 spin_unlock_irq(&phba
->hbalock
);
14251 * lpfc_sli4_remove_rpis - Remove the rpi bitmask region
14252 * @phba: pointer to lpfc hba data structure.
14254 * This routine is invoked to remove the memory region that
14255 * provided rpi via a bitmask.
14258 lpfc_sli4_remove_rpis(struct lpfc_hba
*phba
)
14260 kfree(phba
->sli4_hba
.rpi_bmask
);
14261 kfree(phba
->sli4_hba
.rpi_ids
);
14262 bf_set(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
14266 * lpfc_sli4_resume_rpi - Remove the rpi bitmask region
14267 * @phba: pointer to lpfc hba data structure.
14269 * This routine is invoked to remove the memory region that
14270 * provided rpi via a bitmask.
14273 lpfc_sli4_resume_rpi(struct lpfc_nodelist
*ndlp
)
14275 LPFC_MBOXQ_t
*mboxq
;
14276 struct lpfc_hba
*phba
= ndlp
->phba
;
14279 /* The port is notified of the header region via a mailbox command. */
14280 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14284 /* Post all rpi memory regions to the port. */
14285 lpfc_resume_rpi(mboxq
, ndlp
);
14286 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
14287 if (rc
== MBX_NOT_FINISHED
) {
14288 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14289 "2010 Resume RPI Mailbox failed "
14290 "status %d, mbxStatus x%x\n", rc
,
14291 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
14292 mempool_free(mboxq
, phba
->mbox_mem_pool
);
14299 * lpfc_sli4_init_vpi - Initialize a vpi with the port
14300 * @vport: Pointer to the vport for which the vpi is being initialized
14302 * This routine is invoked to activate a vpi with the port.
14306 * -Evalue otherwise
14309 lpfc_sli4_init_vpi(struct lpfc_vport
*vport
)
14311 LPFC_MBOXQ_t
*mboxq
;
14313 int retval
= MBX_SUCCESS
;
14315 struct lpfc_hba
*phba
= vport
->phba
;
14316 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14319 lpfc_init_vpi(phba
, mboxq
, vport
->vpi
);
14320 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_INIT_VPI
);
14321 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
14322 if (rc
!= MBX_SUCCESS
) {
14323 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_SLI
,
14324 "2022 INIT VPI Mailbox failed "
14325 "status %d, mbxStatus x%x\n", rc
,
14326 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
14329 if (rc
!= MBX_TIMEOUT
)
14330 mempool_free(mboxq
, vport
->phba
->mbox_mem_pool
);
14336 * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler.
14337 * @phba: pointer to lpfc hba data structure.
14338 * @mboxq: Pointer to mailbox object.
14340 * This routine is invoked to manually add a single FCF record. The caller
14341 * must pass a completely initialized FCF_Record. This routine takes
14342 * care of the nonembedded mailbox operations.
14345 lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
14348 union lpfc_sli4_cfg_shdr
*shdr
;
14349 uint32_t shdr_status
, shdr_add_status
;
14351 virt_addr
= mboxq
->sge_array
->addr
[0];
14352 /* The IOCTL status is embedded in the mailbox subheader. */
14353 shdr
= (union lpfc_sli4_cfg_shdr
*) virt_addr
;
14354 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14355 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14357 if ((shdr_status
|| shdr_add_status
) &&
14358 (shdr_status
!= STATUS_FCF_IN_USE
))
14359 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14360 "2558 ADD_FCF_RECORD mailbox failed with "
14361 "status x%x add_status x%x\n",
14362 shdr_status
, shdr_add_status
);
14364 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
14368 * lpfc_sli4_add_fcf_record - Manually add an FCF Record.
14369 * @phba: pointer to lpfc hba data structure.
14370 * @fcf_record: pointer to the initialized fcf record to add.
14372 * This routine is invoked to manually add a single FCF record. The caller
14373 * must pass a completely initialized FCF_Record. This routine takes
14374 * care of the nonembedded mailbox operations.
14377 lpfc_sli4_add_fcf_record(struct lpfc_hba
*phba
, struct fcf_record
*fcf_record
)
14380 LPFC_MBOXQ_t
*mboxq
;
14383 dma_addr_t phys_addr
;
14384 struct lpfc_mbx_sge sge
;
14385 uint32_t alloc_len
, req_len
;
14388 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14390 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14391 "2009 Failed to allocate mbox for ADD_FCF cmd\n");
14395 req_len
= sizeof(struct fcf_record
) + sizeof(union lpfc_sli4_cfg_shdr
) +
14398 /* Allocate DMA memory and set up the non-embedded mailbox command */
14399 alloc_len
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
14400 LPFC_MBOX_OPCODE_FCOE_ADD_FCF
,
14401 req_len
, LPFC_SLI4_MBX_NEMBED
);
14402 if (alloc_len
< req_len
) {
14403 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14404 "2523 Allocated DMA memory size (x%x) is "
14405 "less than the requested DMA memory "
14406 "size (x%x)\n", alloc_len
, req_len
);
14407 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
14412 * Get the first SGE entry from the non-embedded DMA memory. This
14413 * routine only uses a single SGE.
14415 lpfc_sli4_mbx_sge_get(mboxq
, 0, &sge
);
14416 phys_addr
= getPaddr(sge
.pa_hi
, sge
.pa_lo
);
14417 virt_addr
= mboxq
->sge_array
->addr
[0];
14419 * Configure the FCF record for FCFI 0. This is the driver's
14420 * hardcoded default and gets used in nonFIP mode.
14422 fcfindex
= bf_get(lpfc_fcf_record_fcf_index
, fcf_record
);
14423 bytep
= virt_addr
+ sizeof(union lpfc_sli4_cfg_shdr
);
14424 lpfc_sli_pcimem_bcopy(&fcfindex
, bytep
, sizeof(uint32_t));
14427 * Copy the fcf_index and the FCF Record Data. The data starts after
14428 * the FCoE header plus word10. The data copy needs to be endian
14431 bytep
+= sizeof(uint32_t);
14432 lpfc_sli_pcimem_bcopy(fcf_record
, bytep
, sizeof(struct fcf_record
));
14433 mboxq
->vport
= phba
->pport
;
14434 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_add_fcf_record
;
14435 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
14436 if (rc
== MBX_NOT_FINISHED
) {
14437 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14438 "2515 ADD_FCF_RECORD mailbox failed with "
14439 "status 0x%x\n", rc
);
14440 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
14449 * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record.
14450 * @phba: pointer to lpfc hba data structure.
14451 * @fcf_record: pointer to the fcf record to write the default data.
14452 * @fcf_index: FCF table entry index.
14454 * This routine is invoked to build the driver's default FCF record. The
14455 * values used are hardcoded. This routine handles memory initialization.
14459 lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba
*phba
,
14460 struct fcf_record
*fcf_record
,
14461 uint16_t fcf_index
)
14463 memset(fcf_record
, 0, sizeof(struct fcf_record
));
14464 fcf_record
->max_rcv_size
= LPFC_FCOE_MAX_RCV_SIZE
;
14465 fcf_record
->fka_adv_period
= LPFC_FCOE_FKA_ADV_PER
;
14466 fcf_record
->fip_priority
= LPFC_FCOE_FIP_PRIORITY
;
14467 bf_set(lpfc_fcf_record_mac_0
, fcf_record
, phba
->fc_map
[0]);
14468 bf_set(lpfc_fcf_record_mac_1
, fcf_record
, phba
->fc_map
[1]);
14469 bf_set(lpfc_fcf_record_mac_2
, fcf_record
, phba
->fc_map
[2]);
14470 bf_set(lpfc_fcf_record_mac_3
, fcf_record
, LPFC_FCOE_FCF_MAC3
);
14471 bf_set(lpfc_fcf_record_mac_4
, fcf_record
, LPFC_FCOE_FCF_MAC4
);
14472 bf_set(lpfc_fcf_record_mac_5
, fcf_record
, LPFC_FCOE_FCF_MAC5
);
14473 bf_set(lpfc_fcf_record_fc_map_0
, fcf_record
, phba
->fc_map
[0]);
14474 bf_set(lpfc_fcf_record_fc_map_1
, fcf_record
, phba
->fc_map
[1]);
14475 bf_set(lpfc_fcf_record_fc_map_2
, fcf_record
, phba
->fc_map
[2]);
14476 bf_set(lpfc_fcf_record_fcf_valid
, fcf_record
, 1);
14477 bf_set(lpfc_fcf_record_fcf_avail
, fcf_record
, 1);
14478 bf_set(lpfc_fcf_record_fcf_index
, fcf_record
, fcf_index
);
14479 bf_set(lpfc_fcf_record_mac_addr_prov
, fcf_record
,
14480 LPFC_FCF_FPMA
| LPFC_FCF_SPMA
);
14481 /* Set the VLAN bit map */
14482 if (phba
->valid_vlan
) {
14483 fcf_record
->vlan_bitmap
[phba
->vlan_id
/ 8]
14484 = 1 << (phba
->vlan_id
% 8);
14489 * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan.
14490 * @phba: pointer to lpfc hba data structure.
14491 * @fcf_index: FCF table entry offset.
14493 * This routine is invoked to scan the entire FCF table by reading FCF
14494 * record and processing it one at a time starting from the @fcf_index
14495 * for initial FCF discovery or fast FCF failover rediscovery.
14497 * Return 0 if the mailbox command is submitted successfully, none 0
14501 lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
14504 LPFC_MBOXQ_t
*mboxq
;
14506 phba
->fcoe_eventtag_at_fcf_scan
= phba
->fcoe_eventtag
;
14507 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14509 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14510 "2000 Failed to allocate mbox for "
14513 goto fail_fcf_scan
;
14515 /* Construct the read FCF record mailbox command */
14516 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
14519 goto fail_fcf_scan
;
14521 /* Issue the mailbox command asynchronously */
14522 mboxq
->vport
= phba
->pport
;
14523 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_fcf_scan_read_fcf_rec
;
14525 spin_lock_irq(&phba
->hbalock
);
14526 phba
->hba_flag
|= FCF_TS_INPROG
;
14527 spin_unlock_irq(&phba
->hbalock
);
14529 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
14530 if (rc
== MBX_NOT_FINISHED
)
14533 /* Reset eligible FCF count for new scan */
14534 if (fcf_index
== LPFC_FCOE_FCF_GET_FIRST
)
14535 phba
->fcf
.eligible_fcf_cnt
= 0;
14541 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
14542 /* FCF scan failed, clear FCF_TS_INPROG flag */
14543 spin_lock_irq(&phba
->hbalock
);
14544 phba
->hba_flag
&= ~FCF_TS_INPROG
;
14545 spin_unlock_irq(&phba
->hbalock
);
14551 * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf.
14552 * @phba: pointer to lpfc hba data structure.
14553 * @fcf_index: FCF table entry offset.
14555 * This routine is invoked to read an FCF record indicated by @fcf_index
14556 * and to use it for FLOGI roundrobin FCF failover.
14558 * Return 0 if the mailbox command is submitted successfully, none 0
14562 lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
14565 LPFC_MBOXQ_t
*mboxq
;
14567 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14569 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_INIT
,
14570 "2763 Failed to allocate mbox for "
14573 goto fail_fcf_read
;
14575 /* Construct the read FCF record mailbox command */
14576 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
14579 goto fail_fcf_read
;
14581 /* Issue the mailbox command asynchronously */
14582 mboxq
->vport
= phba
->pport
;
14583 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_fcf_rr_read_fcf_rec
;
14584 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
14585 if (rc
== MBX_NOT_FINISHED
)
14591 if (error
&& mboxq
)
14592 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
14597 * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask.
14598 * @phba: pointer to lpfc hba data structure.
14599 * @fcf_index: FCF table entry offset.
14601 * This routine is invoked to read an FCF record indicated by @fcf_index to
14602 * determine whether it's eligible for FLOGI roundrobin failover list.
14604 * Return 0 if the mailbox command is submitted successfully, none 0
14608 lpfc_sli4_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
14611 LPFC_MBOXQ_t
*mboxq
;
14613 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14615 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_INIT
,
14616 "2758 Failed to allocate mbox for "
14619 goto fail_fcf_read
;
14621 /* Construct the read FCF record mailbox command */
14622 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
14625 goto fail_fcf_read
;
14627 /* Issue the mailbox command asynchronously */
14628 mboxq
->vport
= phba
->pport
;
14629 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_read_fcf_rec
;
14630 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
14631 if (rc
== MBX_NOT_FINISHED
)
14637 if (error
&& mboxq
)
14638 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
14643 * lpfc_check_next_fcf_pri
14644 * phba pointer to the lpfc_hba struct for this port.
14645 * This routine is called from the lpfc_sli4_fcf_rr_next_index_get
14646 * routine when the rr_bmask is empty. The FCF indecies are put into the
14647 * rr_bmask based on their priority level. Starting from the highest priority
14648 * to the lowest. The most likely FCF candidate will be in the highest
14649 * priority group. When this routine is called it searches the fcf_pri list for
14650 * next lowest priority group and repopulates the rr_bmask with only those
14653 * 1=success 0=failure
14656 lpfc_check_next_fcf_pri_level(struct lpfc_hba
*phba
)
14658 uint16_t next_fcf_pri
;
14659 uint16_t last_index
;
14660 struct lpfc_fcf_pri
*fcf_pri
;
14664 last_index
= find_first_bit(phba
->fcf
.fcf_rr_bmask
,
14665 LPFC_SLI4_FCF_TBL_INDX_MAX
);
14666 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
14667 "3060 Last IDX %d\n", last_index
);
14668 if (list_empty(&phba
->fcf
.fcf_pri_list
)) {
14669 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
14670 "3061 Last IDX %d\n", last_index
);
14671 return 0; /* Empty rr list */
14675 * Clear the rr_bmask and set all of the bits that are at this
14678 memset(phba
->fcf
.fcf_rr_bmask
, 0,
14679 sizeof(*phba
->fcf
.fcf_rr_bmask
));
14680 spin_lock_irq(&phba
->hbalock
);
14681 list_for_each_entry(fcf_pri
, &phba
->fcf
.fcf_pri_list
, list
) {
14682 if (fcf_pri
->fcf_rec
.flag
& LPFC_FCF_FLOGI_FAILED
)
14685 * the 1st priority that has not FLOGI failed
14686 * will be the highest.
14689 next_fcf_pri
= fcf_pri
->fcf_rec
.priority
;
14690 spin_unlock_irq(&phba
->hbalock
);
14691 if (fcf_pri
->fcf_rec
.priority
== next_fcf_pri
) {
14692 rc
= lpfc_sli4_fcf_rr_index_set(phba
,
14693 fcf_pri
->fcf_rec
.fcf_index
);
14697 spin_lock_irq(&phba
->hbalock
);
14700 * if next_fcf_pri was not set above and the list is not empty then
14701 * we have failed flogis on all of them. So reset flogi failed
14702 * and start at the begining.
14704 if (!next_fcf_pri
&& !list_empty(&phba
->fcf
.fcf_pri_list
)) {
14705 list_for_each_entry(fcf_pri
, &phba
->fcf
.fcf_pri_list
, list
) {
14706 fcf_pri
->fcf_rec
.flag
&= ~LPFC_FCF_FLOGI_FAILED
;
14708 * the 1st priority that has not FLOGI failed
14709 * will be the highest.
14712 next_fcf_pri
= fcf_pri
->fcf_rec
.priority
;
14713 spin_unlock_irq(&phba
->hbalock
);
14714 if (fcf_pri
->fcf_rec
.priority
== next_fcf_pri
) {
14715 rc
= lpfc_sli4_fcf_rr_index_set(phba
,
14716 fcf_pri
->fcf_rec
.fcf_index
);
14720 spin_lock_irq(&phba
->hbalock
);
14724 spin_unlock_irq(&phba
->hbalock
);
14729 * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index
14730 * @phba: pointer to lpfc hba data structure.
14732 * This routine is to get the next eligible FCF record index in a round
14733 * robin fashion. If the next eligible FCF record index equals to the
14734 * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
14735 * shall be returned, otherwise, the next eligible FCF record's index
14736 * shall be returned.
14739 lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba
*phba
)
14741 uint16_t next_fcf_index
;
14743 /* Search start from next bit of currently registered FCF index */
14745 next_fcf_index
= (phba
->fcf
.current_rec
.fcf_indx
+ 1) %
14746 LPFC_SLI4_FCF_TBL_INDX_MAX
;
14747 next_fcf_index
= find_next_bit(phba
->fcf
.fcf_rr_bmask
,
14748 LPFC_SLI4_FCF_TBL_INDX_MAX
,
14751 /* Wrap around condition on phba->fcf.fcf_rr_bmask */
14752 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
14754 * If we have wrapped then we need to clear the bits that
14755 * have been tested so that we can detect when we should
14756 * change the priority level.
14758 next_fcf_index
= find_next_bit(phba
->fcf
.fcf_rr_bmask
,
14759 LPFC_SLI4_FCF_TBL_INDX_MAX
, 0);
14763 /* Check roundrobin failover list empty condition */
14764 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
||
14765 next_fcf_index
== phba
->fcf
.current_rec
.fcf_indx
) {
14767 * If next fcf index is not found check if there are lower
14768 * Priority level fcf's in the fcf_priority list.
14769 * Set up the rr_bmask with all of the avaiable fcf bits
14770 * at that level and continue the selection process.
14772 if (lpfc_check_next_fcf_pri_level(phba
))
14773 goto next_priority
;
14774 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
14775 "2844 No roundrobin failover FCF available\n");
14776 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
)
14777 return LPFC_FCOE_FCF_NEXT_NONE
;
14779 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
14780 "3063 Only FCF available idx %d, flag %x\n",
14782 phba
->fcf
.fcf_pri
[next_fcf_index
].fcf_rec
.flag
);
14783 return next_fcf_index
;
14787 if (next_fcf_index
< LPFC_SLI4_FCF_TBL_INDX_MAX
&&
14788 phba
->fcf
.fcf_pri
[next_fcf_index
].fcf_rec
.flag
&
14789 LPFC_FCF_FLOGI_FAILED
)
14790 goto next_priority
;
14792 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
14793 "2845 Get next roundrobin failover FCF (x%x)\n",
14796 return next_fcf_index
;
14800 * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index
14801 * @phba: pointer to lpfc hba data structure.
14803 * This routine sets the FCF record index in to the eligible bmask for
14804 * roundrobin failover search. It checks to make sure that the index
14805 * does not go beyond the range of the driver allocated bmask dimension
14806 * before setting the bit.
14808 * Returns 0 if the index bit successfully set, otherwise, it returns
14812 lpfc_sli4_fcf_rr_index_set(struct lpfc_hba
*phba
, uint16_t fcf_index
)
14814 if (fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
14815 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
14816 "2610 FCF (x%x) reached driver's book "
14817 "keeping dimension:x%x\n",
14818 fcf_index
, LPFC_SLI4_FCF_TBL_INDX_MAX
);
14821 /* Set the eligible FCF record index bmask */
14822 set_bit(fcf_index
, phba
->fcf
.fcf_rr_bmask
);
14824 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
14825 "2790 Set FCF (x%x) to roundrobin FCF failover "
14826 "bmask\n", fcf_index
);
14832 * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index
14833 * @phba: pointer to lpfc hba data structure.
14835 * This routine clears the FCF record index from the eligible bmask for
14836 * roundrobin failover search. It checks to make sure that the index
14837 * does not go beyond the range of the driver allocated bmask dimension
14838 * before clearing the bit.
14841 lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba
*phba
, uint16_t fcf_index
)
14843 struct lpfc_fcf_pri
*fcf_pri
;
14844 if (fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
14845 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
14846 "2762 FCF (x%x) reached driver's book "
14847 "keeping dimension:x%x\n",
14848 fcf_index
, LPFC_SLI4_FCF_TBL_INDX_MAX
);
14851 /* Clear the eligible FCF record index bmask */
14852 spin_lock_irq(&phba
->hbalock
);
14853 list_for_each_entry(fcf_pri
, &phba
->fcf
.fcf_pri_list
, list
) {
14854 if (fcf_pri
->fcf_rec
.fcf_index
== fcf_index
) {
14855 list_del_init(&fcf_pri
->list
);
14859 spin_unlock_irq(&phba
->hbalock
);
14860 clear_bit(fcf_index
, phba
->fcf
.fcf_rr_bmask
);
14862 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
14863 "2791 Clear FCF (x%x) from roundrobin failover "
14864 "bmask\n", fcf_index
);
14868 * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table
14869 * @phba: pointer to lpfc hba data structure.
14871 * This routine is the completion routine for the rediscover FCF table mailbox
14872 * command. If the mailbox command returned failure, it will try to stop the
14873 * FCF rediscover wait timer.
14876 lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mbox
)
14878 struct lpfc_mbx_redisc_fcf_tbl
*redisc_fcf
;
14879 uint32_t shdr_status
, shdr_add_status
;
14881 redisc_fcf
= &mbox
->u
.mqe
.un
.redisc_fcf_tbl
;
14883 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
14884 &redisc_fcf
->header
.cfg_shdr
.response
);
14885 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
14886 &redisc_fcf
->header
.cfg_shdr
.response
);
14887 if (shdr_status
|| shdr_add_status
) {
14888 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
14889 "2746 Requesting for FCF rediscovery failed "
14890 "status x%x add_status x%x\n",
14891 shdr_status
, shdr_add_status
);
14892 if (phba
->fcf
.fcf_flag
& FCF_ACVL_DISC
) {
14893 spin_lock_irq(&phba
->hbalock
);
14894 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
14895 spin_unlock_irq(&phba
->hbalock
);
14897 * CVL event triggered FCF rediscover request failed,
14898 * last resort to re-try current registered FCF entry.
14900 lpfc_retry_pport_discovery(phba
);
14902 spin_lock_irq(&phba
->hbalock
);
14903 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
14904 spin_unlock_irq(&phba
->hbalock
);
14906 * DEAD FCF event triggered FCF rediscover request
14907 * failed, last resort to fail over as a link down
14908 * to FCF registration.
14910 lpfc_sli4_fcf_dead_failthrough(phba
);
14913 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
14914 "2775 Start FCF rediscover quiescent timer\n");
14916 * Start FCF rediscovery wait timer for pending FCF
14917 * before rescan FCF record table.
14919 lpfc_fcf_redisc_wait_start_timer(phba
);
14922 mempool_free(mbox
, phba
->mbox_mem_pool
);
14926 * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port.
14927 * @phba: pointer to lpfc hba data structure.
14929 * This routine is invoked to request for rediscovery of the entire FCF table
14933 lpfc_sli4_redisc_fcf_table(struct lpfc_hba
*phba
)
14935 LPFC_MBOXQ_t
*mbox
;
14936 struct lpfc_mbx_redisc_fcf_tbl
*redisc_fcf
;
14939 /* Cancel retry delay timers to all vports before FCF rediscover */
14940 lpfc_cancel_all_vport_retry_delay_timer(phba
);
14942 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14944 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14945 "2745 Failed to allocate mbox for "
14946 "requesting FCF rediscover.\n");
14950 length
= (sizeof(struct lpfc_mbx_redisc_fcf_tbl
) -
14951 sizeof(struct lpfc_sli4_cfg_mhdr
));
14952 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
14953 LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF
,
14954 length
, LPFC_SLI4_MBX_EMBED
);
14956 redisc_fcf
= &mbox
->u
.mqe
.un
.redisc_fcf_tbl
;
14957 /* Set count to 0 for invalidating the entire FCF database */
14958 bf_set(lpfc_mbx_redisc_fcf_count
, redisc_fcf
, 0);
14960 /* Issue the mailbox command asynchronously */
14961 mbox
->vport
= phba
->pport
;
14962 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_redisc_fcf_table
;
14963 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
14965 if (rc
== MBX_NOT_FINISHED
) {
14966 mempool_free(mbox
, phba
->mbox_mem_pool
);
14973 * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event
14974 * @phba: pointer to lpfc hba data structure.
14976 * This function is the failover routine as a last resort to the FCF DEAD
14977 * event when driver failed to perform fast FCF failover.
14980 lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba
*phba
)
14982 uint32_t link_state
;
14985 * Last resort as FCF DEAD event failover will treat this as
14986 * a link down, but save the link state because we don't want
14987 * it to be changed to Link Down unless it is already down.
14989 link_state
= phba
->link_state
;
14990 lpfc_linkdown(phba
);
14991 phba
->link_state
= link_state
;
14993 /* Unregister FCF if no devices connected to it */
14994 lpfc_unregister_unused_fcf(phba
);
14998 * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
14999 * @phba: pointer to lpfc hba data structure.
15001 * This function read region 23 and parse TLV for port status to
15002 * decide if the user disaled the port. If the TLV indicates the
15003 * port is disabled, the hba_flag is set accordingly.
15006 lpfc_sli_read_link_ste(struct lpfc_hba
*phba
)
15008 LPFC_MBOXQ_t
*pmb
= NULL
;
15010 uint8_t *rgn23_data
= NULL
;
15011 uint32_t offset
= 0, data_size
, sub_tlv_len
, tlv_offset
;
15014 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15016 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15017 "2600 lpfc_sli_read_serdes_param failed to"
15018 " allocate mailbox memory\n");
15023 /* Get adapter Region 23 data */
15024 rgn23_data
= kzalloc(DMP_RGN23_SIZE
, GFP_KERNEL
);
15029 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_23
);
15030 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
15032 if (rc
!= MBX_SUCCESS
) {
15033 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
15034 "2601 lpfc_sli_read_link_ste failed to"
15035 " read config region 23 rc 0x%x Status 0x%x\n",
15036 rc
, mb
->mbxStatus
);
15037 mb
->un
.varDmp
.word_cnt
= 0;
15040 * dump mem may return a zero when finished or we got a
15041 * mailbox error, either way we are done.
15043 if (mb
->un
.varDmp
.word_cnt
== 0)
15045 if (mb
->un
.varDmp
.word_cnt
> DMP_RGN23_SIZE
- offset
)
15046 mb
->un
.varDmp
.word_cnt
= DMP_RGN23_SIZE
- offset
;
15048 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
15049 rgn23_data
+ offset
,
15050 mb
->un
.varDmp
.word_cnt
);
15051 offset
+= mb
->un
.varDmp
.word_cnt
;
15052 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_RGN23_SIZE
);
15054 data_size
= offset
;
15060 /* Check the region signature first */
15061 if (memcmp(&rgn23_data
[offset
], LPFC_REGION23_SIGNATURE
, 4)) {
15062 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15063 "2619 Config region 23 has bad signature\n");
15068 /* Check the data structure version */
15069 if (rgn23_data
[offset
] != LPFC_REGION23_VERSION
) {
15070 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15071 "2620 Config region 23 has bad version\n");
15076 /* Parse TLV entries in the region */
15077 while (offset
< data_size
) {
15078 if (rgn23_data
[offset
] == LPFC_REGION23_LAST_REC
)
15081 * If the TLV is not driver specific TLV or driver id is
15082 * not linux driver id, skip the record.
15084 if ((rgn23_data
[offset
] != DRIVER_SPECIFIC_TYPE
) ||
15085 (rgn23_data
[offset
+ 2] != LINUX_DRIVER_ID
) ||
15086 (rgn23_data
[offset
+ 3] != 0)) {
15087 offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
15091 /* Driver found a driver specific TLV in the config region */
15092 sub_tlv_len
= rgn23_data
[offset
+ 1] * 4;
15097 * Search for configured port state sub-TLV.
15099 while ((offset
< data_size
) &&
15100 (tlv_offset
< sub_tlv_len
)) {
15101 if (rgn23_data
[offset
] == LPFC_REGION23_LAST_REC
) {
15106 if (rgn23_data
[offset
] != PORT_STE_TYPE
) {
15107 offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
15108 tlv_offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
15112 /* This HBA contains PORT_STE configured */
15113 if (!rgn23_data
[offset
+ 2])
15114 phba
->hba_flag
|= LINK_DISABLED
;
15121 mempool_free(pmb
, phba
->mbox_mem_pool
);
15127 * lpfc_wr_object - write an object to the firmware
15128 * @phba: HBA structure that indicates port to create a queue on.
15129 * @dmabuf_list: list of dmabufs to write to the port.
15130 * @size: the total byte value of the objects to write to the port.
15131 * @offset: the current offset to be used to start the transfer.
15133 * This routine will create a wr_object mailbox command to send to the port.
15134 * the mailbox command will be constructed using the dma buffers described in
15135 * @dmabuf_list to create a list of BDEs. This routine will fill in as many
15136 * BDEs that the imbedded mailbox can support. The @offset variable will be
15137 * used to indicate the starting offset of the transfer and will also return
15138 * the offset after the write object mailbox has completed. @size is used to
15139 * determine the end of the object and whether the eof bit should be set.
15141 * Return 0 is successful and offset will contain the the new offset to use
15142 * for the next write.
15143 * Return negative value for error cases.
15146 lpfc_wr_object(struct lpfc_hba
*phba
, struct list_head
*dmabuf_list
,
15147 uint32_t size
, uint32_t *offset
)
15149 struct lpfc_mbx_wr_object
*wr_object
;
15150 LPFC_MBOXQ_t
*mbox
;
15152 uint32_t shdr_status
, shdr_add_status
;
15154 union lpfc_sli4_cfg_shdr
*shdr
;
15155 struct lpfc_dmabuf
*dmabuf
;
15156 uint32_t written
= 0;
15158 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15162 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
15163 LPFC_MBOX_OPCODE_WRITE_OBJECT
,
15164 sizeof(struct lpfc_mbx_wr_object
) -
15165 sizeof(struct lpfc_sli4_cfg_mhdr
), LPFC_SLI4_MBX_EMBED
);
15167 wr_object
= (struct lpfc_mbx_wr_object
*)&mbox
->u
.mqe
.un
.wr_object
;
15168 wr_object
->u
.request
.write_offset
= *offset
;
15169 sprintf((uint8_t *)wr_object
->u
.request
.object_name
, "/");
15170 wr_object
->u
.request
.object_name
[0] =
15171 cpu_to_le32(wr_object
->u
.request
.object_name
[0]);
15172 bf_set(lpfc_wr_object_eof
, &wr_object
->u
.request
, 0);
15173 list_for_each_entry(dmabuf
, dmabuf_list
, list
) {
15174 if (i
>= LPFC_MBX_WR_CONFIG_MAX_BDE
|| written
>= size
)
15176 wr_object
->u
.request
.bde
[i
].addrLow
= putPaddrLow(dmabuf
->phys
);
15177 wr_object
->u
.request
.bde
[i
].addrHigh
=
15178 putPaddrHigh(dmabuf
->phys
);
15179 if (written
+ SLI4_PAGE_SIZE
>= size
) {
15180 wr_object
->u
.request
.bde
[i
].tus
.f
.bdeSize
=
15182 written
+= (size
- written
);
15183 bf_set(lpfc_wr_object_eof
, &wr_object
->u
.request
, 1);
15185 wr_object
->u
.request
.bde
[i
].tus
.f
.bdeSize
=
15187 written
+= SLI4_PAGE_SIZE
;
15191 wr_object
->u
.request
.bde_count
= i
;
15192 bf_set(lpfc_wr_object_write_length
, &wr_object
->u
.request
, written
);
15193 if (!phba
->sli4_hba
.intr_enable
)
15194 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
15196 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
15197 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
15199 /* The IOCTL status is embedded in the mailbox subheader. */
15200 shdr
= (union lpfc_sli4_cfg_shdr
*) &wr_object
->header
.cfg_shdr
;
15201 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15202 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15203 if (rc
!= MBX_TIMEOUT
)
15204 mempool_free(mbox
, phba
->mbox_mem_pool
);
15205 if (shdr_status
|| shdr_add_status
|| rc
) {
15206 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15207 "3025 Write Object mailbox failed with "
15208 "status x%x add_status x%x, mbx status x%x\n",
15209 shdr_status
, shdr_add_status
, rc
);
15212 *offset
+= wr_object
->u
.response
.actual_write_length
;
15217 * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands.
15218 * @vport: pointer to vport data structure.
15220 * This function iterate through the mailboxq and clean up all REG_LOGIN
15221 * and REG_VPI mailbox commands associated with the vport. This function
15222 * is called when driver want to restart discovery of the vport due to
15223 * a Clear Virtual Link event.
15226 lpfc_cleanup_pending_mbox(struct lpfc_vport
*vport
)
15228 struct lpfc_hba
*phba
= vport
->phba
;
15229 LPFC_MBOXQ_t
*mb
, *nextmb
;
15230 struct lpfc_dmabuf
*mp
;
15231 struct lpfc_nodelist
*ndlp
;
15232 struct lpfc_nodelist
*act_mbx_ndlp
= NULL
;
15233 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
15234 LIST_HEAD(mbox_cmd_list
);
15235 uint8_t restart_loop
;
15237 /* Clean up internally queued mailbox commands with the vport */
15238 spin_lock_irq(&phba
->hbalock
);
15239 list_for_each_entry_safe(mb
, nextmb
, &phba
->sli
.mboxq
, list
) {
15240 if (mb
->vport
!= vport
)
15243 if ((mb
->u
.mb
.mbxCommand
!= MBX_REG_LOGIN64
) &&
15244 (mb
->u
.mb
.mbxCommand
!= MBX_REG_VPI
))
15247 list_del(&mb
->list
);
15248 list_add_tail(&mb
->list
, &mbox_cmd_list
);
15250 /* Clean up active mailbox command with the vport */
15251 mb
= phba
->sli
.mbox_active
;
15252 if (mb
&& (mb
->vport
== vport
)) {
15253 if ((mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) ||
15254 (mb
->u
.mb
.mbxCommand
== MBX_REG_VPI
))
15255 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
15256 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
15257 act_mbx_ndlp
= (struct lpfc_nodelist
*)mb
->context2
;
15258 /* Put reference count for delayed processing */
15259 act_mbx_ndlp
= lpfc_nlp_get(act_mbx_ndlp
);
15260 /* Unregister the RPI when mailbox complete */
15261 mb
->mbox_flag
|= LPFC_MBX_IMED_UNREG
;
15264 /* Cleanup any mailbox completions which are not yet processed */
15267 list_for_each_entry(mb
, &phba
->sli
.mboxq_cmpl
, list
) {
15269 * If this mailox is already processed or it is
15270 * for another vport ignore it.
15272 if ((mb
->vport
!= vport
) ||
15273 (mb
->mbox_flag
& LPFC_MBX_IMED_UNREG
))
15276 if ((mb
->u
.mb
.mbxCommand
!= MBX_REG_LOGIN64
) &&
15277 (mb
->u
.mb
.mbxCommand
!= MBX_REG_VPI
))
15280 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
15281 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
15282 ndlp
= (struct lpfc_nodelist
*)mb
->context2
;
15283 /* Unregister the RPI when mailbox complete */
15284 mb
->mbox_flag
|= LPFC_MBX_IMED_UNREG
;
15286 spin_unlock_irq(&phba
->hbalock
);
15287 spin_lock(shost
->host_lock
);
15288 ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
15289 spin_unlock(shost
->host_lock
);
15290 spin_lock_irq(&phba
->hbalock
);
15294 } while (restart_loop
);
15296 spin_unlock_irq(&phba
->hbalock
);
15298 /* Release the cleaned-up mailbox commands */
15299 while (!list_empty(&mbox_cmd_list
)) {
15300 list_remove_head(&mbox_cmd_list
, mb
, LPFC_MBOXQ_t
, list
);
15301 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
15302 mp
= (struct lpfc_dmabuf
*) (mb
->context1
);
15304 __lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
15307 ndlp
= (struct lpfc_nodelist
*) mb
->context2
;
15308 mb
->context2
= NULL
;
15310 spin_lock(shost
->host_lock
);
15311 ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
15312 spin_unlock(shost
->host_lock
);
15313 lpfc_nlp_put(ndlp
);
15316 mempool_free(mb
, phba
->mbox_mem_pool
);
15319 /* Release the ndlp with the cleaned-up active mailbox command */
15320 if (act_mbx_ndlp
) {
15321 spin_lock(shost
->host_lock
);
15322 act_mbx_ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
15323 spin_unlock(shost
->host_lock
);
15324 lpfc_nlp_put(act_mbx_ndlp
);
15329 * lpfc_drain_txq - Drain the txq
15330 * @phba: Pointer to HBA context object.
15332 * This function attempt to submit IOCBs on the txq
15333 * to the adapter. For SLI4 adapters, the txq contains
15334 * ELS IOCBs that have been deferred because the there
15335 * are no SGLs. This congestion can occur with large
15336 * vport counts during node discovery.
15340 lpfc_drain_txq(struct lpfc_hba
*phba
)
15342 LIST_HEAD(completions
);
15343 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
15344 struct lpfc_iocbq
*piocbq
= 0;
15345 unsigned long iflags
= 0;
15346 char *fail_msg
= NULL
;
15347 struct lpfc_sglq
*sglq
;
15348 union lpfc_wqe wqe
;
15350 spin_lock_irqsave(&phba
->hbalock
, iflags
);
15351 if (pring
->txq_cnt
> pring
->txq_max
)
15352 pring
->txq_max
= pring
->txq_cnt
;
15354 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
15356 while (pring
->txq_cnt
) {
15357 spin_lock_irqsave(&phba
->hbalock
, iflags
);
15359 piocbq
= lpfc_sli_ringtx_get(phba
, pring
);
15360 sglq
= __lpfc_sli_get_sglq(phba
, piocbq
);
15362 __lpfc_sli_ringtx_put(phba
, pring
, piocbq
);
15363 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
15367 /* The txq_cnt out of sync. This should
15370 sglq
= __lpfc_clear_active_sglq(phba
,
15371 sglq
->sli4_lxritag
);
15372 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
15373 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15374 "2823 txq empty and txq_cnt is %d\n ",
15380 /* The xri and iocb resources secured,
15381 * attempt to issue request
15383 piocbq
->sli4_lxritag
= sglq
->sli4_lxritag
;
15384 piocbq
->sli4_xritag
= sglq
->sli4_xritag
;
15385 if (NO_XRI
== lpfc_sli4_bpl2sgl(phba
, piocbq
, sglq
))
15386 fail_msg
= "to convert bpl to sgl";
15387 else if (lpfc_sli4_iocb2wqe(phba
, piocbq
, &wqe
))
15388 fail_msg
= "to convert iocb to wqe";
15389 else if (lpfc_sli4_wq_put(phba
->sli4_hba
.els_wq
, &wqe
))
15390 fail_msg
= " - Wq is full";
15392 lpfc_sli_ringtxcmpl_put(phba
, pring
, piocbq
);
15395 /* Failed means we can't issue and need to cancel */
15396 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15397 "2822 IOCB failed %s iotag 0x%x "
15400 piocbq
->iotag
, piocbq
->sli4_xritag
);
15401 list_add_tail(&piocbq
->list
, &completions
);
15403 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
15406 /* Cancel all the IOCBs that cannot be issued */
15407 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
15408 IOERR_SLI_ABORTED
);
15410 return pring
->txq_cnt
;